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docs/navpatterns/patterns/activity-log/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Activity Logs | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Ciprian Iordache at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Activity Logs | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Ciprian Iordache at Microsoft Development Center Copenhagen
Activity Log
Abstract
The Activity Log pattern tracks execution of …"><meta property="og:title" content="Activity Logs"><meta property="og:description" content="Originally by Ciprian Iordache at Microsoft Development Center Copenhagen
@ -36,7 +36,7 @@ In general, integrating with external systems can be very challenging, due to th
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>}<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p><strong>NAV usages</strong></p><p>In Dynamics NAV 2016, there is a new feature for sending documents in electronic format to a document exchange service. In this case, sending documents requires multiple steps as it is an asynchronous activity and as such, in order to keep track of what&rsquo;s happening and when the Activity Log functionality was used. That offers later the possibility to see who sent and when a document was sent, when it was dispatched, if any dispatch errors and how many tries have been made until the document was finally dispatched or rejected.</p><p>So as usages in NAV 2016, we have the document exchange and OCR features plus the related posted documents involved in the document exchange feature.</p><ul><li>COD1294.TXT</li><li>COD1410.TXT</li><li>PAG1270.TXT</li><li>PAG1275.TXT</li><li>PAG143.TXT</li><li>PAG144.TXT</li><li>PAG189.TXT</li><li>TAB112.TXT</li><li>TAB114.TXT</li><li>TAB130.TXT</li></ul><p><strong>Ideas for improvement</strong></p><p>Replace the scattered similar functionality (as mentioned above, we have several places having close functionality or similar requirements) with this new pattern.</p><p><strong>Consequences</strong></p><ul><li>Use with caution, similar to the Change Log functionality, as if the pattern will be used extensively in all the activities/operations within NAV, the table might become large containing many records and might cause some performance issues when presenting the data to the client (filtering on the specific activity).</li><li>Do not log private or confidential information (passwords, amounts, salaries, sensitive data), unless you are ok with this data to be showed to all users (even to users which normally would not have access to this data), thus overriding the permission sets.</li><li>Log only essential information (quality over quantity). Can the logged data be used to analyze the problem, or is it just junk data?</li></ul><p><strong>NAV Versions</strong></p><p>Supported from NAV 2016</p><p><strong>Related Topics</strong></p><p>Error Message Processing &ndash; provides a similar view and uses similar concepts: has a generic implementation (uses as link the same RECORDID feature) and uses same filtering functionality when displaying the data to the user.</p><p>Audit Log &ndash; as mentioned in the beginning, this pattern is a NAV specific implementation of the audit log pattern.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/argument-table/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Argument Table | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally By Nikola Kukrika and waldo
Abstract
The Argument Table pattern is used to provide an extension point for adding new arguments without …"><meta property="og:title" content="Argument Table"><meta property="og:description" content="Originally By Nikola Kukrika and waldo
Abstract The Argument Table pattern is used to provide an extension point for adding new arguments without changing the signature. By grouping multiple arguments into a table the code becomes more readable (function signature and the usage of the function).
@ -49,7 +49,7 @@ When an argument needs to be added to the function, the existing function needs
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>SetTableSyncSetup<span style=color:#ce5c00;font-weight:700>(</span><span style=color:#204a87;font-weight:700>DATABASE</span><span style=color:#000;font-weight:700>::</span>&#34;Payment Export Data&#34;<span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>0</span><span style=color:#000;font-weight:700>,</span>TableSynchSetup<span style=color:#ce5c00;font-weight:700>.</span>Mode<span style=color:#000;font-weight:700>::</span>Force<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>Option definition is not encapsulated within the table. Arguments are grouped and we can add additional arguments without the need to change the signature.</p><h3 id=downsides>Downsides</h3><p>You need to create one more table</p><p>Complex types can&rsquo;t be embedded as fields in tables (cannot have a record field type etc).</p><h3 id=nav-usages>NAV Usages</h3><p>Upgrade Codeunits</p><h3 id=related-patterns>Related Patterns</h3><p>Posting Routine, Select behavior: Setting fields on existing records in order not to change the signatures.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/blocked-entity/data-driven-blocked-entity/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Data Driven Blocked Entity | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Written by Bogdan Andrei Sturzoiu, at Microsoft Development Center Copenhagen
Abstract
This pattern implements a generic mechanism for dynamically …"><meta property="og:title" content="Data Driven Blocked Entity"><meta property="og:description" content="Written by Bogdan Andrei Sturzoiu, at Microsoft Development Center Copenhagen
Abstract This pattern implements a generic mechanism for dynamically restricting and allowing usage of a record by the business process administrator.
@ -36,7 +36,7 @@ Problem A NAV record can be used in a number of functionalities across the app.
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>RecordRestrictionMgt<span style=color:#ce5c00;font-weight:700>.</span>AllowRecordUsage<span style=color:#ce5c00;font-weight:700>(</span>RecRef<span style=color:#ce5c00;font-weight:700>.</span><span style=color:#204a87;font-weight:700>RECORDID</span><span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>Notice how lifting a restriction for a Gen. Journal Batch involves lifting all the restrictions for the individual journal lines in the batch (hence the special branching of the code).</p><h2 id=consequences>Consequences</h2><p>Currently, there can only be one restriction per record. There are no restriction types.</p><p>In the future, a type field should be added to the restriction table, to allow adding restrictions for different purposes, and to refine their consumption. For example, a posting restriction might only be enforced for restrictions originating from approvals.</p><h2 id=nav-versions>NAV Versions</h2><p>This pattern has been introduced in Dynamics NAV 2016.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/blocked-entity/index.html
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@ -1,4 +1,4 @@
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><link rel=alternate type=application/rss+xml href=https://alguidelines.dev/docs/navpatterns/patterns/blocked-entity/index.xml><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Blocked Entity | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Abhishek Ghosh at Microsoft Development Center Copenhagen
Abstract
The Blocked Entity is used when it is required to stop transactions …"><meta property="og:title" content="Blocked Entity"><meta property="og:description" content="Guidelines for when Developing AL for Microsoft Dynamics 365 Business Central"><meta property="og:type" content="website"><meta property="og:url" content="https://alguidelines.dev/docs/navpatterns/patterns/blocked-entity/"><meta property="og:image" content="https://alguidelines.dev/images/og-image-fission.png"><meta property="og:site_name" content="alguidelines.dev - Business Central Design Patterns"><meta itemprop=name content="Blocked Entity"><meta itemprop=description content="Guidelines for when Developing AL for Microsoft Dynamics 365 Business Central"><meta name=twitter:card content="summary_large_image"><meta name=twitter:image content="https://alguidelines.dev/images/og-image-fission.png"><meta name=twitter:title content="Blocked Entity"><meta name=twitter:description content="Guidelines for when Developing AL for Microsoft Dynamics 365 Business Central"><link rel=preload href=/scss/main.min.84a617ff0c0265eb62b5cd2929c572f4ed37dc4907d0cf068be4eb2974f6d60f.css as=style><link href=/scss/main.min.84a617ff0c0265eb62b5cd2929c572f4ed37dc4907d0cf068be4eb2974f6d60f.css rel=stylesheet integrity><script src=https://code.jquery.com/jquery-3.6.0.min.js integrity=sha384-vtXRMe3mGCbOeY7l30aIg8H9p3GdeSe4IFlP6G8JMa7o7lXvnz3GFKzPxzJdPfGK crossorigin=anonymous></script>
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@ -13,7 +13,7 @@ The Blocked Entity is used when it is required to stop transactions …"><meta p
</span></span></span></code></pre></div><p>Alternatively, you can throw a custom error message. However, you should only do that if the default error message thrown by TESTFIELD is not sufficient.</p><h3 id=option-field-implementation>Option-Field Implementation</h3><p>Add an option field named Blocked in the table. The option values will reflect the different blocked states required by the company.</p><p>Add this field on the card page (or on the List page if the entity does not have a card). As with the Boolean implementation, the convention is to add this field in the right-hand column in the General FastTab of the card page.</p><p>Implement a function in the table that takes the transaction context as input and evaluates the Blocked field to decide whether the transaction should be allowed or not. Optionally, the function can be responsible for notifying the user and bubble up an error message straight away.</p><p>Note: the option field assumes that only one of the multiple options can be active at a time. In other words, the options should be mutually exclusive.</p><p>How not to use the option field in this case: if we want to block an item from sale and/or purchase, the 4 combined options would be <strong>Block none</strong> | <strong>Block Sales</strong> | <strong>Block Purchases</strong> | <strong>Block Sales and Purchases</strong>. This doesn&rsquo;t scale, because if now we need to block another transaction, the number of option would grow too fast. In this situations, it is better to use two Boolean fields: <strong>Blocked Sale</strong>: <strong>true|false</strong> and <strong>Blocked Purchase: true|false</strong>.</p><p>A good example of usage would be for varying the behavior depending on the chosen option, for example by displaying a different error message depending on the reason an Item is blocked. In this case we can have the item <strong>Not Blocked</strong> | <strong>Blocked due to defect</strong> | <strong>Blocked waiting for approval</strong>, etc.</p><h2 id=nav-specific-example>NAV Specific Example</h2><h3 id=boolean-implementation-1>Boolean Implementation</h3><p><a href=8637.BlockedEntityPattern_5F00_5F00_5F00_Boolean.png><img src=8637.BlockedEntityPattern_5F00_5F00_5F00_Boolean.png alt=" "></a></p><p>An example of the Boolean implementation on the Item card.</p><p>In codeunit 22 &ndash; Item Jnl.-Post Line, the following lines of code have implemented a check based on the value of the Blocked field:</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-AL data-lang=AL><span style=display:flex><span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>NOT</span><span style=color:#f8f8f8;text-decoration:underline> </span>CalledFromAdjustment<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>Item<span style=color:#ce5c00;font-weight:700>.</span><span style=color:#204a87;font-weight:700>TESTFIELD</span><span style=color:#ce5c00;font-weight:700>(</span>Blocked<span style=color:#000;font-weight:700>,</span>FALSE<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h3 id=option-field-implementation-1>Option-Field Implementation</h3><p><a href=3056.BlockedEntityPattern_5F00_5F00_5F00_Option.png><img src=3056.BlockedEntityPattern_5F00_5F00_5F00_Option.png alt=" "></a></p><p>An example of the option field implementation on the Customer card.</p><p>The CheckBlockedCustOnDocs and CheckBlockedCustOnJnls functions in the Customer table are responsible for validating the Blocked state with respect to the input document type. These functions are invoked in several areas, such as posting routines, where a status check on the Blocked field is required. This is a good practice where the Blocked implementation gets more complex, as this encourages reuse and ensures uniformity of implementation.</p><h2 id=nav-usages>NAV Usages</h2><p>Entities where the Blocked Entity has been implemented include:</p><ul><li>Item</li><li>G/L Account</li><li>Customer</li><li>Vendor</li><li>Bin</li></ul><h2 id=related-topics>Related Topics</h2><p>The <a href=/navpatterns/1-patterns/released-entity/>Released Entity</a>.</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/O2R-fTSup1o style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class=section-index><hr class=panel-line><div class=entry><h5><a href=/docs/navpatterns/patterns/blocked-entity/data-driven-blocked-entity/>Data Driven Blocked Entity</a></h5><p></p></div></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/cached-web-service-calls/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Cached Web Server Calls | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Mostafa Balat, Microsoft Development Center Copenhagen
Abstract
In a service-oriented deployment, web services are used to extend …"><meta property="og:title" content="Cached Web Server Calls"><meta property="og:description" content="Originally by Mostafa Balat, Microsoft Development Center Copenhagen
Abstract In a service-oriented deployment, web services are used to extend NAV&rsquo;s functionality and reach. Depending on how volatile this data is and the corresponding usage scheme, it is expected to be up-to-date within a pre-defined period of time (e.g. once a day).
@ -71,7 +71,7 @@ Description When NAV is integrated with external services, then the user scenari
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>ImpBankListExtDataHndl<span style=color:#ce5c00;font-weight:700>.</span>GetBankListFromConversionService<span style=color:#ce5c00;font-weight:700>(</span>ShowErrors<span style=color:#000;font-weight:700>,</span>CountryRegionCode<span style=color:#000;font-weight:700>,</span>Timeout<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=nav-usages>NAV Usages</h2><p>Bank name lookup on the Bank Account card for dynamically identifying the format to use to generate a bank-specific payment file.</p><h2 id=ideas-for-improvement>Ideas for Improvement</h2><p>Expose the refresh rate through a setup table to make it easily configurable without changing the code.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Creating Custom Charts | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Nikola Kukrika at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Creating Custom Charts | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Nikola Kukrika at Microsoft Development Center Copenhagen
Abstract
The goal of this solution is to enable you to:
@ -40,7 +40,7 @@ Use charts in the web client. Create charts with custom functionality. Descripti
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>AccSchedChartManagement<span style=color:#ce5c00;font-weight:700>.</span>DrillDown<span style=color:#ce5c00;font-weight:700>(</span>Rec<span style=color:#000;font-weight:700>,</span>AccountSchedulesChartSetup<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>SetDrillDownindexes is a method from the <strong>Business Chart Buffer</strong> table that maps the DotNet point variable to C/AL data, so it must be used. The next method that you must implement is the action to be performed on Drilldown.</p><p>The <strong>DataPointDoubleClicked</strong> trigger has the same implementation logic as the DataPointClicked trigger.</p><h3 id=nav-specific-example-2>NAV Specific Example 2</h3><p>Implementation of chart part 1390 on the <strong>Small Business Role Center</strong> page (9022)</p><p><a href=1541.Picture7.png><img src=1541.Picture7.png alt=" "></a></p><p>This chart part contains data from multiple charts within a single part. The <strong>Status Text</strong> field shows the name of the chart and the current period. Users can browse through the charts with <strong>Next Chart</strong> and <strong>Previous Chart</strong> or use <strong>Select Chart</strong> to choose from a list of available charts.</p><p><a href=2553.Picture8.png><img src=2553.Picture8.png alt=" "></a></p><p>On this dialog, users can choose if a chart should be enabled or disabled. If the chart is not enabled, it will be skipped on the <strong>Previous Chart</strong> and <strong>Next Chart</strong> actions. Charts used by this part use different codeunits and setup records. If the user changes the selected chart, this option will be saved and applied next time role center is opened.</p><p>Users can also change the period length.</p><p><a href=5545.Picture9.png><img src=5545.Picture9.png alt=" "></a></p><p>Choosing the <strong>Chart Information</strong> button opens a short description of the chart.</p><p><a href=5582.Picture10.png><img src=5582.Picture10.png alt=" "></a></p><h2 id=nav-usages>NAV Usages</h2><p>Implementation of multiple charts within a single part:</p><ul><li>Page 1390, <strong>Mini Generic Chart</strong></li></ul><p>Charts that use a setup record and select the chart with <strong>Customize Chart Setup</strong> pages:</p><ul><li>Page 772, <strong>Inventory Performance</strong></li><li>Page 771, <strong>Purchase Performance</strong></li><li>Page 770, <strong>Sales Performance</strong></li><li>Page 762, <strong>Finance Performance</strong></li></ul><p>Chart that uses the <strong>Business Chart User Setup</strong> table:</p><ul><li>Page 768, <strong>Aged Acc. Receivable Chart</strong></li></ul><p>Other implementations:</p><ul><li>Page 972, <strong>Time Sheet Chart</strong></li><li>Page 869, <strong>Cash Flow Chart</strong></li><li>Page 760, <strong>Trailing Sales Orders Chart</strong></li></ul><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>We should consider making a generic table for the last chart that the user has used.</p><p>We should investigate if we could make generic code for selecting periods and other common functionality by using RecordRefs.</p><p>Add-In improvements &ndash; Different ways to visualize the data and to pick colors for categories.</p><p>As a nice-to-have feature, we could implement functionality to cycle through the charts with a timer.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/cross-session-events/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Cross Session Events | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Nikolai L&rsquo;Estrange, from TVision Technology Ltd. in the UK
Abstract
Track things that happen in other NAV Sessions.
@ -97,7 +97,7 @@ Problem In Microsoft Dynamics NAV you can fire a function whenever something cha
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>UNTIL</span><span style=color:#f8f8f8;text-decoration:underline> </span>NEXT<span style=color:#f8f8f8;text-decoration:underline> </span>=<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#0000cf;font-weight:700>0</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=consequences>Consequences</h2><p>The PingPong control is only available on the Windows Client, so if you want to use another client you will need to use another solution to Poll for Messages. Therefore this pattern is not always going to be &ldquo;real time&rdquo;.</p><h2 id=related-topics>Related Topics</h2><p>This pattern was originally described in the following blog:</p><p><a href=https://geeknikolai.wordpress.com/2015/10/30/pubsub-pattern-in-dynamics-nav-2016/>https://geeknikolai.wordpress.com/2015/10/30/pubsub-pattern-in-dynamics-nav-2016/</a></p><p>Below is the Wikipedia link to the PubSub pattern</p><p><a href=https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern>https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern</a></p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Currently Active Record | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Authors: Henrik Langbak and Kim Ginnerup, Bording Data
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Abstract
Date controlled data is expensive to find in the database. This pattern describes how …"><meta property="og:title" content="Currently Active Record"><meta property="og:description" content="Authors: Henrik Langbak and Kim Ginnerup, Bording Data
Abstract Date controlled data is expensive to find in the database. This pattern describes how using a view with a sub-select and a linked table object will minimize the returned dataset.
@ -41,7 +41,7 @@ Description There is no way in NAV to get a set of records from the database, wh
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#8f5902;font-style:italic>// PriceTemp will contain the Prices
</span></span></span></code></pre></div><h3 id=comparison>Comparison</h3><p>The above NAV example is for a very simple date controlled solution and is provided to give an idea of what the pattern changes seen from a NAV development point of view. But consider the following:</p><ul><li>The table has a more complex key.<br>This will require setting and clearing more filters</li><li>You need to read from more than one table.<br>Say you need to apply discount from a separate table.<br>This may give several lines in PriceTemp.</li><li>If the Code field is controlled by a Type field.<br>The Code field reference keys in different tables</li></ul><p>All three examples above can be implemented directly in the view. By using the pattern, it will still only require a single line of NAV code.</p><p>Using the pattern will only issue one SQL call and thereby one trip to the server.<br>The NAV Example will require an unknown number of SQL calls and thereby an unknown number of trips to the server. The number of SQL calls is dependent on the number of distinct Code values.<br>The NAV example will require SQL Server to read all data older than or equal to TODAY, but only return one row per Code. Over time, as old data piles up in the system, the NAV code will perform slower because the SQL statements will be slower.<br>The Pattern makes a scalable solution with a predictable performance. The performance will not deteriorate at the same rate as the NAV code example.</p><h2 id=nav-usages>NAV Usages</h2><p>The pattern does not exist in NAV (yet J). We have used it several times in our code for an Add-On.</p><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>Query Object should be able to handle sub-selects and Unions. A simple solution could be to allow the NAV developer to specify the actual Select statement inside the query Object in clear text. Opening up for writing your own queries and map the projection to the Query-defined fields will make the query Object very versatile and remove the pressure from Microsoft trying to create all the different permutations that a select statement can have. Microsoft and others have all tried to create wizards that can create SQL select statement. They all end up having a clear text option.</p><p>An alternative would be better support for linked table objects, specifically views. The current implementation is very fragile.</p><p>The pattern only supports fetching data for a given date (normally today). This is because you cannot control the where-clause of the sub-select.</p><h2 id=related-topics>Related Topics</h2><p>The idea of having a linked table object pointing to a view could be a pattern of its own.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Easy Update Of Setup Or Supplementary Information | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Anders Larsen at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Easy Update Of Setup Or Supplementary Information | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Anders Larsen at Microsoft Development Center Copenhagen
Abstract
Users or the administrator must regularly update setup or …"><meta property="og:title" content="Easy Update Of Setup Or Supplementary Information"><meta property="og:description" content="Originally by Anders Larsen at Microsoft Development Center Copenhagen
Abstract Users or the administrator must regularly update setup or supplementary information in the day-to-day business, such as setting up a new type of customer. This setup task often arrives when their focus is on registration and execution instead of setup.
@ -39,7 +39,7 @@ SetupTable.VerifyAndSetX
</span></span></span></code></pre></div><p>The code in the <strong>Sales & Receivables Setup</strong> table can now be called directly from the related processing codeunit, such as the <strong>Sales-Post + Print</strong> codeunit (82).</p><p>Were the code is called:</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-al data-lang=al><span style=display:flex><span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>(</span>&#34;EAN No.&#34;<span style=color:#f8f8f8;text-decoration:underline> </span>&lt;&gt;<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;&#39;</span><span style=color:#ce5c00;font-weight:700>) </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>SalesSetup<span style=color:#ce5c00;font-weight:700>.</span>VerifyAndSetOIOUBLPathSetup<span style=color:#ce5c00;font-weight:700>(</span>SalesHeader<span style=color:#ce5c00;font-weight:700>.</span>&#34;Document Type&#34;<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>If the setup is not updated properly, the user is prompted to update it as follows.</p><p><a href=0654.easy-update-1.png><img src=0654.easy-update-1.png alt=" "></a></p><p>Choosing <strong>Yes</strong> opens the related setup page.</p><p><a href=4024.easy-update-2.png><img src=4024.easy-update-2.png alt=" "></a></p><h2 id=nav-usages>NAV Usages</h2><ul><li>Report 206, <strong>Sales invoice</strong></li><li>Table 79, <strong>Company Information</strong></li><li>In OIOUBL fields (DK version) during posting/printing of a sales invoice.</li></ul><h2 id=ideas-for-improvement>Ideas for Improvement</h2><p>Make a more generic platform implementation that launches the corresponding card page for Rec on Rec.testfield with an asterisk mark for the field that needs a proper value.</p><h2 id=related-topics>Related Topics</h2><p>The anti-pattern is to do a testfield on a field that is not in the table that you are currently updating.</p><p>The test field message can often be confusing because the pages are often named differently than the tables, which can lead to misunderstanding and context-switching.</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/oeASJN-zqTo style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Error Message Processing | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Jesper Schulz at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Error Message Processing | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Jesper Schulz at Microsoft Development Center Copenhagen
Note: This pattern describes new functionality which makes it possible to generalize the …"><meta property="og:title" content="Error Message Processing"><meta property="og:description" content="By Jesper Schulz at Microsoft Development Center Copenhagen
Note: This pattern describes new functionality which makes it possible to generalize the Journal Error Processing pattern.
Abstract Missing, invalid or incomplete data is a common issue during data processing in NAV. This article describes how to collect all error messages during processing using the error message component and present them to the user in a unified way, which enables the user to correct the errors efficiently."><meta property="og:type" content="article"><meta property="og:url" content="https://alguidelines.dev/docs/navpatterns/patterns/error-message-processing/"><meta property="og:image" content="https://alguidelines.dev/images/og-image-fission.png"><meta property="article:section" content="docs"><meta property="article:modified_time" content="2022-06-22T11:23:49+02:00"><meta property="og:site_name" content="alguidelines.dev - Business Central Design Patterns"><meta itemprop=name content="Error Message Processing"><meta itemprop=description content="By Jesper Schulz at Microsoft Development Center Copenhagen
@ -48,7 +48,7 @@ Abstract Missing, invalid or incomplete data is a common issue during data proce
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>TempErrorMessage<span style=color:#ce5c00;font-weight:700>.</span>ShowErrorMessages<span style=color:#ce5c00;font-weight:700>(</span>FALSE<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>One could also do pre-processing in a function of its own, and only if the pre-processing results in no error messages of type &ldquo;Error&rdquo; would the processing continue.</p><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>By using this easy to use component, we have the possibility to extend this functionality going forward. A nice addition to the error message component would be the possibility to log the error messages persistently in a grouped manner, thereby allowing 3rd parties to see the issues the users bump into the most, or allowing 3rd parties to get an detailed insight into what happened, thereby enabling them to provide better support.</p><div class="text-muted mt-5 pt-3 border-top">Last modified June 22, 2022: <a href=https://github.com/microsoft/alguidelines/commit/3dd196bc220a77fa428f1b67bf1780ff46d95851>Fixed indentation (#188) (3dd196bc)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Extending the Role Center Headlines | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By David Bastide at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Extending the Role Center Headlines | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By David Bastide at Microsoft Development Center Copenhagen
Context
Headlines are designed as a page of type HeadlinePart containing at least one …"><meta property="og:title" content="Extending the Role Center Headlines"><meta property="og:description" content="By David Bastide at Microsoft Development Center Copenhagen
@ -83,7 +83,7 @@ Description The Dynamics 365 Business Central release (April 2018) introduces a
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>LargestSaleText<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>EssentialBusinessHeadline<span style=color:#ce5c00;font-weight:700>.</span>&#34;Headline Text&#34;<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>end</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p><a href=0724.Headline-sequence-diagram-v2.png><img src=0724.Headline-sequence-diagram-v2.png alt=" "></a></p><p><em>Figure 2: Sequence diagram of headline usage</em></p><h2 id=usages-in-nav>Usages in NAV:</h2><ul><li>Essential Business Headlines extension</li></ul><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Feature Localization For Data Structures | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdan Sturzoiu at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Feature Localization For Data Structures | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdan Sturzoiu at Microsoft Development Center Copenhagen
Abstract
This pattern shows a solution for integrating W1 features to …"><meta property="og:title" content="Feature Localization For Data Structures"><meta property="og:description" content="Originally by Bogdan Sturzoiu at Microsoft Development Center Copenhagen
Abstract This pattern shows a solution for integrating W1 features to pre-existing country features that use different tables to achieve similar functionality.
@ -164,7 +164,7 @@ Description It sometimes happens that certain features are requested in a NAV-su
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>The derived local feature flow is as follows:</p><p><a href=3058.Feature-localization-for-data-structures-3.png><img src=3058.Feature-localization-for-data-structures-3.png alt=" "></a></p><p>Figure 3. The local country object flow</p><p>As we can see from the diagram, this solution allows integration of the local and W1 features with a minimum amount of changes in W1 code. The only two differences are:</p><ol><li><p>The entry point of the flow is the local table/page.</p></li><li><p>Codeunit 1222 is overloaded to prepare general journal lines from the local records.</p></li></ol><h2 id=nav-usages>NAV Usages</h2><p>The data mapping technique has been used for the SEPA Credit Transfer feature, and will be used in subsequent local integration projects.</p><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>A weak point for this pattern is the need to set a filter on the empty journal line in order to retrieve the local data when exporting from a local page. This can cause problems if the size of the local table document number is larger than the Document No. field (ID 20) in the Gen. Journal line table (81).</p><p>Also, there is a strong need for thorough testing when using this pattern, because there might be differences in the behavior of the local table and table 81. Whatever is acceptable for the local table may not be acceptable for the W1 table. A deep functional analysis is needed to see if the local export feature uses the same constraints as the W1 feature.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Instructions in the UI | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Nikola Kukrika at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Instructions in the UI | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Nikola Kukrika at Microsoft Development Center Copenhagen
Abstract
To mitigate usability problems with learnability or discoverability …"><meta property="og:title" content="Instructions in the UI"><meta property="og:description" content="Originally by Nikola Kukrika at Microsoft Development Center Copenhagen
Abstract To mitigate usability problems with learnability or discoverability of NAV functionality, it is possible to embed instructions in the UI in connection with the task that the user is performing. The goal is to explain how to use the product or feature without impairing the user&rsquo;s productivity after user has learned how to use a feature.
@ -21,7 +21,7 @@ Description Users must often go through a few days of training to learn how to u
</span></span></span></code></pre></div><p>Height and width should be set by using the following functions, since they ensure that the video will be centered on the page.</p><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-al data-lang=al><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>VideoPlayerAddIn<span style=color:#ce5c00;font-weight:700>.</span>SetHeight<span style=color:#ce5c00;font-weight:700>(</span>Height<span style=color:#ce5c00;font-weight:700>) </span><span style=color:#204a87;font-weight:700>and</span><span style=color:#f8f8f8;text-decoration:underline> </span>VideoPlayerAddIn<span style=color:#ce5c00;font-weight:700>.</span>SetWidth<span style=color:#ce5c00;font-weight:700>(</span>Width<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>If you would like to reuse the <strong>Mini Video Player Page</strong> page (1395), then use:</p><pre><code>SetParameters(Height,Width,Src,Caption), which uses the functions described above.
</code></pre><p>4. As a last step you need to implement the action on the group and assign a video icon</p><p><strong>Note:</strong></p><p>Videos are implemented to be Web Client only. This is done because Flash player control that is used by most of the providers is not working well with WebBrowser control that the Windows Client is using.</p><p>For displaying the videos on the Windows client, the simplest option is to provide an action with a link that opens a video page in a browser or a page hosting all of the instructional videos you have provided. Optionally you can implement a .NET add-in control that would be able to play the video from selected provider.</p><h3 id=to-implement-tiles-for-help-topics>To implement tiles for help topics</h3><p>You only need to add an empty action with a <strong>TileHelp</strong> icon. Platform will render the action and will generate the logic to trigger a help call when user clicks on the icon. On the Help Server create an help topic that matches the URL.</p><h2 id=tooltips-on-actions-and-fields>Tooltips on actions and fields</h2><p>Platform improvements in NAV 2013 R2 provide ability to create tooltips for actions and all kinds of fields in the web client simply by filling the <strong>TooltipML</strong> property on the page object.</p><p><a href=7217.picture-1.png><img src=7217.picture-1.png alt=" "></a></p><p><strong>Note</strong>: In NAV 2013 R2, tooltips (in the 1330-range pages only) are extracted from intro paragraphs in the related field topic and inserted build-time using an infrastructure system.</p><h2 id=task-oriented-page-help>Task-oriented page Help</h2><p>Every page in NAV 2013 R2 has a help icon in top right corner that should open a Task-oriented help topic that should be related to this page. We recommend providing help topics for new task pages that you provide with your solutions.</p><p><a href=7245.Picture-2.png><img src=7245.Picture-2.png alt=" "></a></p><h2 id=nav-usages>NAV Usages</h2><p>Dismissible dialogs - Used in the <strong>Description</strong> field in pages 1305, 1325, 1355, 1373, &mldr;.</p><p>FastTabs with instructional text &ndash; <strong>Navigate</strong> page (344).</p><p>Help Tiles on Role Center &ndash; <strong>Small Business Role Center</strong> page (9022) and <strong>Mini Activities</strong> page (1310).</p><p>Tooltips &ndash; All pages in the 1300 number range.</p><p>Task-oriented page help &ndash; all task pages in 1300 number range</p><h2 id=ideas-for-improvement>Ideas for Improvement</h2><p>Provide the support for the invoking any Help topics (URL on the Help Server from C/AL code. Then we would be able to promote help actions anywhere or launch them from C/AL code if needed.</p><p>Implement tooltips across the application and in all country versions. (Requires a run-time infrastructure system.)</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/loobQ1TVO3o style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/journal-error-processing/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Journal Error Processing | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdana Botez at Microsoft Development Center Copenhagen
Abstract
This pattern describes an optimized way to handle invalid, incomplete, …"><meta property="og:title" content="Journal Error Processing"><meta property="og:description" content="Originally by Bogdana Botez at Microsoft Development Center Copenhagen
Abstract This pattern describes an optimized way to handle invalid, incomplete, or inconsistent data that users enter in journals.
@ -59,7 +59,7 @@ Description Scenario: A user has entered data on a journal line and proceeds to
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>DELETEALL<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=nav-usages>NAV Usages</h2><ul><li><p>SEPA Credit Transfer feature - for export of vendor payments</p></li><li><p>SEPA Direct Debit feature for export of customer payment instructions</p></li></ul><p>The same concept of storing error messages (but with a different flow) is also present in:</p><ul><li><p>Planning Error Log table (5430) - Supply Planning feature</p></li><li><p>Costing table (5890) - Costing feature</p></li></ul><h2 id=ideas-for-improvement>Ideas for Improvement</h2><p>Older code in NAV does not use this pattern yet. It would be good for consistency reasons, and also for overall user experience, to extend this pattern to replace the error processing in more areas.</p><p>We can also improve by helping users find the place where they must fix the error by providing auto-navigation to the required page.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Journal Template Batch Line | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdana Botez at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Journal Template Batch Line | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdana Botez at Microsoft Development Center Copenhagen
Abstract
The role of a journal line is to temporarily hold transaction data …"><meta property="og:title" content="Journal Template Batch Line"><meta property="og:description" content="Originally by Bogdana Botez at Microsoft Development Center Copenhagen
Abstract The role of a journal line is to temporarily hold transaction data until the transaction is posted. Before posting, the entries are in a draft state, which means that they are available for corrections and/or deletion. As soon as the entries are posted, they are converted to ledger entries.
@ -31,7 +31,7 @@ Journal templates are used to specify the underlying journal structure and to pr
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>&#34;Allow VAT Difference&#34;<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>GenJnlTemplate<span style=color:#ce5c00;font-weight:700>.</span>&#34;Allow VAT Difference&#34;<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h3 id=cascade-record-deletion>Cascade record deletion</h3><p>When a record from the Gen. Journal Template table is deleted, the corresponding Gen. Journal Batch and Gen. Journal Line records are also deleted.</p><h3 id=cascade-updates>Cascade updates</h3><p>When the reason code or the posting number series change in the current batch, all linked Gen. Journal Line records are updated (see ModifyLines function on the Gen. Journal Batch table).</p><p>The Gen. Journal Line table (814) stores a relation with the Journal Batch Name field (51) in the Gen. Journal Batch table. The Gen. Journal Line table also inherits the table relation with the Journal Template Name field (1) in the Gen. Journal Template table.</p><h2 id=nav-usages>NAV Usages</h2><p>Implementations of this pattern in NAV include:</p><ul><li>General Journal (see &ldquo;Use the Pattern&rdquo; above)</li><li>Item Journal</li><li>Resource Journal</li><li>Job Journal</li></ul><p>References</p><ol><li><a href="https://mbs.microsoft.com/partnersource/communities/training/trainingmaterials/student/course80534.htm?printpage=false">NAV Course 50534</a> Finance Essentials in Microsoft Dynamics NAV 2013, Chapter 3: &ldquo;General Journals&rdquo;.</li><li><a href="https://mbs.microsoft.com/partnersource/communities/training/trainingmaterials/student/course80435.htm?printpage=false">NAV Course 50435</a> Application Setup in Microsoft Dynamics NAV 2013, Chapter 5: &ldquo;Set up Journal Templates and Batches&rdquo;</li><li><a href=http://msdn.microsoft.com/en-us/library/dd338776.aspx>Test reports</a> Definition on MSDN.</li><li><a href=http://www.packtpub.com/article/microsoft-dynamics-nav-2009-using-journals-and-entries-custom-application>Microsoft Dynamics NAV 2009: Using the journals and entries in a custom application</a> Blog article by Mark Brummel</li><li><a href="http://social.msdn.microsoft.com/Search/en-US?query=journals%20nav&ac=3">Search result for &ldquo;Journal+NAV&rdquo; </a>Various topics on MSDN</li></ol><h2 id=related-pattern-standard-journal>Related Pattern: Standard Journal</h2><p>For cases when most of the journal data can be used later (like monthly electricity payments, for example), the user has the possibility to save the current transaction details for later use. See the related pattern, Standard Journal.</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/xtsZ5beNdZg style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Multi-file Download | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Martin Dam at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Multi-file Download | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Martin Dam at Microsoft Development Center Copenhagen
Abstract
The goal of this pattern is to enable the users to download multiple files as a zip …"><meta property="og:title" content="Multi-file Download"><meta property="og:description" content="By Martin Dam at Microsoft Development Center Copenhagen
Abstract The goal of this pattern is to enable the users to download multiple files as a zip file instead of downloading one by one. On the Web Client this is preferred way of delivering multiple files since it is one of the web patterns and we cannot use File Management code unit to place files silently on the machine.
@ -44,7 +44,7 @@ Description When generating reports that consists of multiple, and usually an un
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>EXIT</span><span style=color:#ce5c00;font-weight:700>(</span>Directory<span style=color:#f8f8f8;text-decoration:underline> </span>+<span style=color:#f8f8f8;text-decoration:underline> </span>FileMgt<span style=color:#ce5c00;font-weight:700>.</span>GetFileNameWithoutExtension<span style=color:#ce5c00;font-weight:700>(</span>FileName<span style=color:#ce5c00;font-weight:700>) </span>+<span style=color:#f8f8f8;text-decoration:underline> </span>FORMAT<span style=color:#ce5c00;font-weight:700>(</span>FileNo<span style=color:#ce5c00;font-weight:700>) </span>+<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#4e9a06>&#39;.&#39;</span><span style=color:#f8f8f8;text-decoration:underline> </span>+<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>FileMgt<span style=color:#ce5c00;font-weight:700>.</span>GetExtension<span style=color:#ce5c00;font-weight:700>(</span>FileName<span style=color:#ce5c00;font-weight:700>))</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h4 id=_code-2-getseriesfilename_><em>Code 2: GetSeriesFilename</em></h4><p>The pattern depends on .NET library System.IO.Compression.ZipFile, which from NAV 2015 is implemented in Codeunit 419 (File management). It consists of three functions:</p><ul><li>CreateZipArchiveObject: Which creates a System.IO.Compression.ZipArchive on a server side file</li><li>AddFileToZipArchive: Which adds a server side file to the archive using System.IO.Compression.ZipFileExtensions.CreateEntryFromFile(). This function allows to use arbitrary naming and does not require to create a server directory before creating the ZIP achieve.</li><li>CloseZipArchive: Which simply closes the ZIP file and saves it to disk.</li></ul><p>The pattern is integrated into the report/codeunit in question by providing a filename field on the request page if it is on WinClient but hidden if it is in Web client. On the Web client, a meaningful default filename is used for the file to download, e.g. in Code 1, Filename is set by the user on the request page if it is WinClient, and set to a default value in Web client.</p><h2 id=nav-usages>NAV Usages</h2><p>This pattern is used by VAT Report and Blacklist communication in the Italian localization in NAV 2015. The ZIP archive functions are available on all localization from NAV 2015.</p><h2 id=consequences>Consequences</h2><p>This pattern can be used whenever you need to ZIP one or more files. The above example downloads the file, but it could have been transmitted, saved to a persistent storage etc. It could also be used to improve download speed between server and client where the WinClient would unzip the files locally and save individually to disk. This follows the normal procedure in NAV in the WinClient, which is to download files directly to disk, so a ZIP file should only be created when the user specifically needs it or the Web client is invoking the report/codeunit.</p><h2 id=related-topics>Related Topics</h2><p>File Management</p><h2 id=references>References</h2><p><a href=http://msdn.microsoft.com/en-us/library/vstudio/system.io.compression.zipfile>System.IO.Compression.ZipFile</a></p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Multi-Page List | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez at Microsoft Development Center Copenhagen
Abstract
This pattern describes how to open a related document (or card) page from a list …"><meta property="og:title" content="Multi-Page List"><meta property="og:description" content="By Bogdana Botez at Microsoft Development Center Copenhagen
Abstract This pattern describes how to open a related document (or card) page from a list page, for the case when there can be more than one pages associated to the rows of the list page.
@ -30,7 +30,7 @@ Description The example below illustrates the connection of a List Page with mul
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>PAGE</span><span style=color:#ce5c00;font-weight:700>.</span>RUN<span style=color:#ce5c00;font-weight:700>(</span><span style=color:#204a87;font-weight:700>PAGE</span><span style=color:#000;font-weight:700>::</span>&#34;Blanket Sales Order&#34;<span style=color:#000;font-weight:700>,</span>Rec<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h3 id=nav-usages>NAV Usages</h3><p>Some of the NAV implementations of this pattern can be found in the following pages:</p><ol><li>Sales List (45) and Sales List Archive (5159)</li><li>Purchase List (53) and Purchase List Archive (5166)</li><li>Available - Sales Lines (499)</li><li>Sales Lines (516)</li><li>Purchase Lines (518)</li></ol><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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Abstract
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@ -134,7 +134,7 @@ When there is a need to use .NET classes within C/AL, one of the main …"><meta
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</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>}<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=nav-usages>NAV Usages</h2><p>The DotNet Exception Handler codeunit has been used for the Web service integration required for:</p><ol><li>Payment Export from the Payment Journal for creating bank-specific payment files.</li><li>Bank Statement Import on the Bank Acc. Reconciliation card for importing the content of bank-specific statements.</li><li>Bank name lookup on the Bank Account card for dynamically identifying the format to use to generate a bank-specific payment file.</li></ol><h2 id=ideas-for-improvement>Ideas for Improvement</h2><p>Extend the language support in C/AL to provide a built-in Try-Catch-Finally statement, similar to .NET languages.</p><h2 id=consequences>Consequences</h2><p>When this pattern should not be used: avoid nesting of codeunits. To properly handle the exceptions, you need to use the codeunit as an atomic piece of functionality that may pass or fail without using Codeunit.Run internally.</p><div class=section-index><hr class=panel-line><div class=entry><h5><a href=/docs/navpatterns/patterns/net-exception-handling-in-cal/tryfunction-net-exception-handling-in-cal/>TryFunction NET Exception Handling in CAL</a></h5><p></p></div></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>TryFunction NET Exception Handling in CAL | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Mostafa Balat, Microsoft Development Center Copenhagen
Abstract
When there is a need to use .NET classes within C/AL, one of the main …"><meta property="og:title" content="TryFunction NET Exception Handling in CAL"><meta property="og:description" content="Originally by Mostafa Balat, Microsoft Development Center Copenhagen
Abstract When there is a need to use .NET classes within C/AL, one of the main challenges is to handle the exceptions the methods of these .NET classes may throw. Eventually, if not handled, they will basically bubble up as runtime errors, halting the current operation a user is doing without having a chance to properly display errors in a user-friendly format."><meta property="og:type" content="article"><meta property="og:url" content="https://alguidelines.dev/docs/navpatterns/patterns/net-exception-handling-in-cal/tryfunction-net-exception-handling-in-cal/"><meta property="og:image" content="https://alguidelines.dev/images/og-image-fission.png"><meta property="article:section" content="docs"><meta property="article:modified_time" content="2022-02-24T14:45:35+01:00"><meta property="og:site_name" content="alguidelines.dev - Business Central Design Patterns"><meta itemprop=name content="TryFunction NET Exception Handling in CAL"><meta itemprop=description content="Originally by Mostafa Balat, Microsoft Development Center Copenhagen
@ -159,7 +159,7 @@ Abstract When there is a need to use .NET classes within C/AL, one of the main c
</span></span></span><span style=display:flex><span><span style=color:#ce5c00;font-weight:700> </span>}<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>}<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=nav-usages>NAV Usages</h2><p>The <strong>CO1291 DotNet Exception Handler</strong> codeunit has been used for the Web service integration required for:</p><ol><li>Payment Export from the Payment Journal for creating bank-specific payment files.</li><li>Bank Statement Import on the Bank Acc. Reconciliation card for importing the content of bank-specific statements.</li><li>Bank name lookup on the Bank Account card for dynamically identifying the format to use to generate a bank-specific payment file.</li></ol><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>No Series | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez, at Microsoft Development Center Copenhagen
Abstract
Number series assignment is widely used in Microsoft Dynamics NAV to …"><meta property="og:title" content="No Series"><meta property="og:description" content="By Bogdana Botez, at Microsoft Development Center Copenhagen
Abstract Number series assignment is widely used in Microsoft Dynamics NAV to automatically assign unique numbers to data entries.
@ -78,7 +78,7 @@ Description Documents and entities of any type (invoices, orders, customers, inv
</span></span></span></code></pre></div><p>To run the AssistEdit procedure, include this code on the No. - OnAssistEdit() trigger of the Page:</p><h3 id=no---onassistedit>No. - OnAssistEdit()</h3><div class=highlight><pre tabindex=0 style=background-color:#f8f8f8;-moz-tab-size:4;-o-tab-size:4;tab-size:4><code class=language-al data-lang=al><span style=display:flex><span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span>AssistEdit<span style=color:#ce5c00;font-weight:700>(</span>xRec<span style=color:#ce5c00;font-weight:700>) </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>CurrPage<span style=color:#ce5c00;font-weight:700>.</span>UPDATE<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/1lG9rY_dmM4 style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Observer | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Nikolai L&rsquo;Estrange, from TVision Technology Ltd. in the UK
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Observer | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Nikolai L&rsquo;Estrange, from TVision Technology Ltd. in the UK
Abstract
Track all record changes against a defined table or set of tables. …"><meta property="og:title" content="Observer"><meta property="og:description" content="By Nikolai L&rsquo;Estrange, from TVision Technology Ltd. in the UK
Abstract Track all record changes against a defined table or set of tables.
@ -46,7 +46,7 @@ Solution Create a setup table to define which other tables you want to track cha
</span></span></span><span style=display:flex><span><span style=color:#ce5c00;font-weight:700></span><span style=color:#204a87;font-weight:700>IF</span><span style=color:#f8f8f8;text-decoration:underline> </span>Observable<span style=color:#ce5c00;font-weight:700>.</span>Get<span style=color:#ce5c00;font-weight:700>(</span>RecRef<span style=color:#ce5c00;font-weight:700>.</span>NUMBER<span style=color:#ce5c00;font-weight:700>) </span><span style=color:#204a87;font-weight:700>AND</span><span style=color:#f8f8f8;text-decoration:underline> </span>Observable<span style=color:#ce5c00;font-weight:700>.</span>TrackRename<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>THEN</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#8f5902;font-style:italic>//do something
</span></span></span></code></pre></div><p><em><strong>Note:</strong></em> In NAV2016 all these functions can be EventSubscribers that subscribe to the functions in Codeunit 1 as per above, in earlier versions of NAV these functions will need to be Global and called explicitly from within the Codeunit 1 functions.</p><h3 id=nav-usages>NAV Usages</h3><p>Variations of this pattern exists in the standard product in:</p><ul><li>Codeunit 423 Change Log Management</li><li>Codeunit 5150 Integration Management. In this Codeunit the tables that fire triggers are hardcoded in C/AL.</li></ul><h3 id=consequences>Consequences</h3><p>It is important that in our GetTableTriggerSetup function we only ever set the parameters to <strong>TRUE</strong>, and <strong>never</strong> set them to <strong>FALSE</strong>. This is because there may be other Codeunits listening to the triggers for that table, e.g. Change Log. This is also why we check the setup again within each trigger.</p><h3 id=related-topics>Related Topics</h3><p>This pattern was originally described in the following blog:</p><p><a href=https://geeknikolai.wordpress.com/2015/10/30/observer-pattern-in-dynamics-nav-2016/>https://geeknikolai.wordpress.com/2015/10/30/observer-pattern-in-dynamics-nav-2016/</a></p><h3 id=nav-versions>NAV Versions</h3><ul><li>From NAV 2016 use the code as shown</li><li>For earlier versions see <em>Note</em> above</li></ul><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Posting Routine - Select Behavior | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By waldo
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Posting Routine - Select Behavior | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By waldo
Abstract
Send information (parameters) to a processing framework/routine so that it knows what to do, how to behave.
Description
@ -23,7 +23,7 @@ Description For a processing routine to behave correctly, it needs sometimes inp
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>Ship<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>1</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>Invoice<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>Selection<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>IN</span><span style=color:#f8f8f8;text-decoration:underline> </span>[<span style=color:#0000cf;font-weight:700>2</span><span style=color:#000;font-weight:700>,</span><span style=color:#0000cf;font-weight:700>3</span>]<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>The processing codeunit is being called after these options were set.</p><h2 id=nav-usages>NAV Usages</h2><p>This is also being used in the Purchase Post.</p><p>However, the Service Post works different. In Short:</p><ul><li>There were no parameter fields added to the processing table (Service Header)</li><li>The processing routine isn&rsquo;t called by CODEUNIT.RUN, but a function in a declared codeunit, where you pass the Invoice and Ship parameter separately.</li></ul><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>Implement it consequently. There is (in my knowledge) no reason to do Service Posting differently from Sales and Purchase.</p><p>Furthermore, one might argue if adding fields to a table (which also means adding fields to the SQL Table) is the right solution to pass parameters to processing methods.</p><p>On the other hand, as we are handling tables as being &ldquo;classes&rdquo; in many cases, it does make sense to add &ldquo;properties&rdquo; to those &ldquo;classes&rdquo; to change the behavior of the method (SalesHeader.Post).</p><h2 id=related-topics>Related Topics</h2><p>I would like to add a pattern like &ldquo;Using Argument tables&rdquo; (as a sub-pattern for the facade-pattern). It somewhat is related to this way of handling parameters: using tablefields to pass a flexible amount of parameters to functions/codeunits.</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/SxywT2XSpcI style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Use Queries to Detect Duplicate Records | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Abshishek Ghosh and Bogdan Sturzoiu at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Use Queries to Detect Duplicate Records | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Abshishek Ghosh and Bogdan Sturzoiu at Microsoft Development Center Copenhagen
Abstract
This pattern uses queries to create an efficient …"><meta property="og:title" content="Use Queries to Detect Duplicate Records"><meta property="og:description" content="Originally by Abshishek Ghosh and Bogdan Sturzoiu at Microsoft Development Center Copenhagen
Abstract This pattern uses queries to create an efficient way to detect duplicate entries in a table. This is, for example, useful when trying to find out which customers or contacts have the same names, so we can merge them later.
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</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>EXIT</span><span style=color:#ce5c00;font-weight:700>(</span>CustomerDuplicate<span style=color:#ce5c00;font-weight:700>.</span>READ<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p><strong>Examples</strong></p><ul><li><strong>Acc. Sched. Chart Management</strong> codeunit (762),<br>methods CheckDuplicateAccScheduleLineDescription and CheckDuplicateColumnLayoutColumnHeader</li><li><strong>Analysis Report Chart Mgt.</strong> codeunit (770),<br>methods CheckDuplicateAnalysisLineDescription and CheckDuplicateAnalysisColumnHeader</li></ul><h2 id=consequences><strong>Consequences</strong></h2><p>A new query object is needed for every type of duplicate check. This could easily explode and create a maintenance problem.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Use Queries to Replace Nested Loops | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdan Sturzoiu, Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Use Queries to Replace Nested Loops | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Bogdan Sturzoiu, Microsoft Development Center Copenhagen
Abstract
This pattern shows how the new query object type introduced in NAV …"><meta property="og:title" content="Use Queries to Replace Nested Loops"><meta property="og:description" content="Originally by Bogdan Sturzoiu, Microsoft Development Center Copenhagen
Abstract This pattern shows how the new query object type introduced in NAV 2013 allows you to replace costly loops when inspecting data from two or more tables.
@ -118,7 +118,7 @@ Description One of the core operations in a relational database is joining two o
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>END</span><span style=color:#ce5c00;font-weight:700>.
</span></span></span><span style=display:flex><span><span style=color:#ce5c00;font-weight:700> </span>}<span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>When comparing the two implementations, we notice the following advantages of using a query instead of two loops:Comparison</p><ol><li>A query produces the Cartesian product of tables 1 and 2 faster than by looping through both of them. The advantage grows as there are more tables linked.</li></ol><p>The query object leverages the power of SQL Server (as it basically executes a SQL query directly against the database server), and as such it only requires one trip to the database to fetch the data, instead of getting the related records on the right side of the join one by one.</p><ol><li>A query is scalable in the sense that it allows reusing its definition by applying filters when looping through its dataset. So a generic query can be reused for a variety of purposes just by adapting the filters to the programming need. Duplicating traditional record loops in different functions, on the other side, requires extensive code copy-pasting, which can introduce code defects.</li><li>Using a query only requires one loop, whereas joining two or more tables requires multiple code loops that quickly become difficult to read and follow.</li><li>Queries are easy to create and maintain and generally provide a cleaner design.</li></ol><h3 id=nav-specific-examples>NAV Specific Examples</h3><p>In Microsoft Dynamics NAV 2013 R2, we can see the query object used in the bank account reconciliation matching algorithm. The object is query Bank Rec. Match Candidates query (1252), and it is called by the matching engine in the Match Bank Rec. Lines codeunit (1252).</p><h3 id=ideas-for-improvement>Ideas for Improvement</h3><p>The query object type could be improved to allow the passing of parameters at runtime, or, in general, being built dynamically at runtime. This will remove the need for multiple static definitions of the same base query used in slightly different contexts.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Report Selection | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="From the PRS workshop at NAVTechDays 2013, this pattern was written by 2 work groups
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Report Selection | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="From the PRS workshop at NAVTechDays 2013, this pattern was written by 2 work groups
Group 1: Dale Gauci & Kimberly Congleton
Group 2: Jens …"><meta property="og:title" content="Report Selection"><meta property="og:description" content="From the PRS workshop at NAVTechDays 2013, this pattern was written by 2 work groups
Group 1: Dale Gauci & Kimberly Congleton
@ -39,7 +39,7 @@ Meet the Pattern It should be possible to change which document report object sh
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>PrintReport<span style=color:#ce5c00;font-weight:700>(</span>ReportSelection<span style=color:#ce5c00;font-weight:700>.</span>Usage<span style=color:#000;font-weight:700>::</span>&#34;S.Invoice&#34;<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><ul><li>Implement the new Document Type and calling the associated report ID, passing the document header</li></ul><h2 id=nav-usages>NAV Usages</h2><ul><li>Codeunits 82, 92, for post and printing purchase and sales documents</li><li>Codeunit 229 for Document printing</li><li>Header Tables 110, 112, 114, 120, 122, 124, 295, 297, 302, 304. 5744, 5746, 6650, 6660</li></ul><p>This pattern is already used for printing documents like sales invoices, proforma, waybills, Finance Charge Memos, Receipt Documents.</p><h2 id=ideas-for-improvement>Ideas for improvement</h2><p>The &ldquo;Usage&rdquo; Field could be more dynamic through a setup field linked to a document type table mapped to the document header Table ID.</p><p>Report Selection table is currently based on the Usage of the report to be defined. A more generic way could be to only select what record id the printing selection is based on could also be implemented. (I think this means Recordref and Table Number could be used to identify the posted tables)</p><p>The Report Selection matrix could be evolved to accommodate the Journal post & print configuration. This setup currently resides in the Gen. Journal Template table.</p><p>Merge the <strong>PrintReport</strong> functions in the purchase and sales post printing functions (82, 92) into a more atomic print selection component.</p><p>Merge the <strong>PrintRecords</strong> functions in the separate posted header tables into a more atomic print selection component.</p><h2 id=related-patterns>Related Patterns</h2><ul><li>Posting Routine Pattern (Journal/Document)</li><li>Post Batch Routine Pattern</li></ul><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Silent File Upload and Download | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez, at Microsoft Development Center Copenhagen
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Abstract
This pattern is about silently handing file transfers between NAV Service Tier …"><meta property="og:title" content="Silent File Upload and Download"><meta property="og:description" content="By Bogdana Botez, at Microsoft Development Center Copenhagen
Abstract This pattern is about silently handing file transfers between NAV Service Tier and the NAV client. By &ldquo;silently&rdquo; we mean: without showing a dialog box at upload or download time.
@ -33,7 +33,7 @@ Download&#34; defines transferring a file from the server to the client."><link
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>ValidateFileNames<span style=color:#ce5c00;font-weight:700>(</span>ServerFileName<span style=color:#000;font-weight:700>,</span>ClientFileName<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline> </span>TempClientFileName<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>DownloadTempFile<span style=color:#ce5c00;font-weight:700>(</span>ServerFileName<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline> </span>MoveFile<span style=color:#ce5c00;font-weight:700>(</span>TempClientFileName<span style=color:#000;font-weight:700>,</span>ClientFileName<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=consequences>Consequences</h2><ol><li>Even today, there is no fully silent up or download. The user will get a warning stating the system is trying to run a client side .NET component. However when dismissing this warning, the user can show to not see it again.</li><li>Due to client side .NET interop and of security concerns, silently downloading/uploading files on the web is disabled. Therefore, this pattern is recommended for implementation with Windows clients only.</li></ol><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Singleton Codeunit | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Singleton Codeunit | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Bogdana Botez at Microsoft Development Center Copenhagen
Problem: In some situations, global state needs to be preserved at runtime throughout a …"><meta property="og:title" content="Singleton Codeunit"><meta property="og:description" content="By Bogdana Botez at Microsoft Development Center Copenhagen
Problem: In some situations, global state needs to be preserved at runtime throughout a session.
@ -41,7 +41,7 @@ The debugger needs to remember the session which is being debugged The permissio
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>PermissionManager<span style=color:#ce5c00;font-weight:700>.</span>SetTestabilitySoftwareAsAService<span style=color:#ce5c00;font-weight:700>(</span>FALSE<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>The figure below explains what happens when the Permission Manager is not a singleton. When it is invoked from different places (first from the test, second from the production code), then different instances of the Permission Manager will fire up and answer. In detail:</p><ol><li>The test calls Initialize which sets SaaS=TRUE in codeunit Permission Manager</li><li>The test calls into production code to validate it works as expected. It calls AzureMachineLearningUsage codeunit to find out if the monthly quota has been reached. The function IsAzureMLLimitReached in AzureMachineLearningUsage codeunit is designed only for SaaS. If the code doesn&rsquo;t run in SaaS, then it always returns FALSE.</li><li>Therefore, a call to PermissionManager is made, to find out if the environment is SaaS.</li><li>However, a different instance of Permission Manager is reached &ndash; and instance where SaaS was never set to TRUE. This is a mistake &ndash; the test intended to simulate SaaS, but the state it set in the beginning is not reachable from production code.</li><li>The production code will assess (wrongly) that it&rsquo;s not running SaaS, and say that the Azure ML limit has not been reached (incorrect &ndash; and the test fails).</li></ol><p><a href=Singleton-Codeunit-_2D00_-example-_2D00_-bad.PNG><img src=Singleton-Codeunit-_2D00_-example-_2D00_-bad.PNG alt=" "></a></p><p><strong>Solution:</strong> restrict the number of instantiations of a codeunit to only one, by setting the codeunit property <strong>SingleInstance</strong> to <strong>Yes</strong>.</p><p>Returning to the previous example, let&rsquo;s analyze the case when the codeunit Permission Manager is a singleton codeunit:</p><p><a href=2313.Singleton-Codeunit-_2D00_-CSIDE-SingleInstance-property.PNG><img src=2313.Singleton-Codeunit-_2D00_-CSIDE-SingleInstance-property.PNG alt=" "></a></p><p>When the codeunit Permission Manager is a singleton, then no matter from where it is invoked, the same instance will be reached. Therefore, the status set by the test (SaaS = TRUE) will be reachable from the production code, and the test will pass, as seen in the figure below.</p><p><a href=Singleton-Codeunit-_2D00_-example-_2D00_-good.PNG><img src=Singleton-Codeunit-_2D00_-example-_2D00_-good.PNG alt=" "></a></p><p><strong>Consequences</strong></p><p>1. Use Singleton Codeunit with care and only when there is no other solution. Preserving a global state could often enough be more harmful than useful. One risk is that tests might fail apparently non-deterministically.</p><p>For example, a problem we have met in the development team for Madeira release, was that the singleton codeunit function PermissionManager.SetSoftwareAsAService(TRUE) is often used to emulate and test SaaS conditions. However, if a test &lsquo;forgets&rsquo; to reset the state to default (FALSE), then another codeunit which is not supposed to emulate SaaS, will suddenly run as SaaS and will fail. Even if the test has code that resets the state to FALSE, this code might never be reached because of an earlier failure or other error in the test which would stop execution.</p><p>2. The singleton codeunit is only &ldquo;alive&rdquo; for the current session. If the user logs out, the old session is closed and the singleton cleared out so any values stored in the old session&rsquo;s singleton will be lost when the session was closed. When the user logs in again, a new session (with a new fresh instance of the singleton) will be created.</p><p><strong>NAV Usages</strong></p><p>Most of the usages in NAV refer to the so-called &ldquo;management codeunits&rdquo;. The management codeunits are needed to run, in a centralized way, various modular parts of the application (features), like the CRM integration, Permissions, Workflows etc. Some of the <strong>Singleton Codeunits</strong> in NAV are listed below:</p><ul><li>Codeunit 423 Change Log Management</li><li>Codeunit 1503 Workflow Record Management</li><li>Codeunit 1511 Notification Lifecycle Mgt.</li><li>Codeunit 1629 Office Attachment Manager</li><li>Codeunit 1632 Office Error Engine</li><li>Codeunit 5150 Integration Management</li><li>Codeunit 9002 Permission Manager</li><li>Etc.</li></ul><p><strong>Note:</strong> while the object-oriented <strong>Singleton</strong> pattern can restrict the number of instantiations of the singleton to an integer n > 0, in Dynamics NAV the <strong>Singleton Codeunit</strong> can only have n=1.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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@ -31,7 +31,7 @@ Problem: The developer needs to define a single record that can contain a set
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>GLSetup<span style=color:#ce5c00;font-weight:700>.</span>GET<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span>GLSetupRead<span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#ce5c00;font-weight:700>:=</span><span style=color:#f8f8f8;text-decoration:underline> </span>TRUE<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p><strong>Related topics</strong></p><p><a href=https://en.wikipedia.org/wiki/Singleton_pattern>Singleton design pattern</a>.</p><p>The <strong>Singleton Table</strong> has two established applications in Dynamics NAV:</p><ol><li><a href=/navpatterns/1-patterns/singleton/singleton-table/setup-table/><strong>Setup Tables</strong></a> &ndash; which are commonly storing user setup data in NAV,</li><li><strong>Cue Tables</strong> &ndash; used to calculate values for the visual representation of Cues on the NAV role center pages.</li></ol><p>YouTube Video of NAV Singleton:</p><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/aQPu-s9FkYI style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class=section-index><hr class=panel-line><div class=entry><h5><a href=/docs/navpatterns/patterns/singleton/singleton-table/cue-table/>Cue Table</a></h5><p></p></div><div class=entry><h5><a href=/docs/navpatterns/patterns/singleton/singleton-table/setup-table/>Setup Table</a></h5><p></p></div></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Setup Table | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Abhishek Ghosh, at Microsoft Development Center Copenhagen
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Setup Table | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Abhishek Ghosh, at Microsoft Development Center Copenhagen
This is the first and most well-known of the two usual applications of the Singleton …"><meta property="og:title" content="Setup Table"><meta property="og:description" content="By Abhishek Ghosh, at Microsoft Development Center Copenhagen
This is the first and most well-known of the two usual applications of the Singleton Table pattern in Dynamics NAV.
@ -25,7 +25,7 @@ Solution: The information is stored in a table with one record only. The user is
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>INSERT<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span><span style=color:#204a87;font-weight:700>END</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>The following diagram describes the flow of the program, once the user tries to access the setup information. The user opens the page. If the record containing setup information already exists, then the page opens on the existing record. Else, a new empty record is created and the page opens on it.</p><p><a href=6675.NAVSetupTablePattern2.png><img src=6675.NAVSetupTablePattern2.png alt=" "></a></p><p><strong>Company-Initialize Codeunit</strong></p><p>The Company-Initialize codeunit (codeunit 2) is executed when a new company is created. We recommended that you add records to the single-record tables in this codeunit. If some of the fields are expected to have default values, they can also be populated here.</p><p><strong>NAV Usages</strong></p><p>Several Setup tables in NAV implement this pattern. Some of those are:</p><ul><li>Table 98 General Ledger Setup</li><li>Table 311 Sales & Receivables Setup</li><li>Table 312 Purchases & Payables Setup</li><li>Table 313 Inventory Setup</li><li>Table 242 Source Code Setup</li></ul><p><strong>Variation:</strong> While most tables just insert a record with empty primary key in codeunit 2, table 242 (&ldquo;Source Code Setup&rdquo;) offers an example of inserting default values into all fields of the table (method &ldquo;InitSourceCodeSetup&rdquo;). This practice, wherever feasible, is likely to reduce the effort during implementation.</p><p><strong>Related resources:</strong> <a href=http://www.klemmensen.ca/Blog/Post/35/Initialize-Setup-Tables>Considerations on optimizing the Singleton Table, by Søren Klemmensen</a>.</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Temporary Dataset Report | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="Originally by Abhishek Ghosh, at Microsoft Development Center Copenhagen
Abstract
This pattern generates the data to be displayed dynamically by …"><meta property="og:title" content="Temporary Dataset Report"><meta property="og:description" content="Originally by Abhishek Ghosh, at Microsoft Development Center Copenhagen
Abstract This pattern generates the data to be displayed dynamically by combing/processing several data sources. It then displays the resulting dataset without writing to the database.
@ -26,7 +26,7 @@ The iterator has one shortcoming: It can only run through records written into t
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>ELSE</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline> </span>ContactDocumentBuffer<span style=color:#ce5c00;font-weight:700>.</span>NEXT<span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><p>Now, the only task that remains is to design the RDLC layout. (Not part of this application pattern description.)</p><p>NAV Usages</p><p>This is a commonly used pattern in several reports, such as:</p><ul><li><p>Report 204 &ndash; Sales &ndash; Quote</p></li><li><p>Report 205 &ndash; Order Confirmation</p></li><li><p>Report 206 &ndash; Sales &ndash; Invoice</p></li></ul><div style=position:relative;padding-bottom:56.25%;height:0;overflow:hidden><iframe src=https://www.youtube.com/embed/QHn5oEOJv0Q style=position:absolute;top:0;left:0;width:100%;height:100%;border:0 allowfullscreen title="YouTube Video"></iframe></div><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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docs/navpatterns/patterns/variant-facade/index.html
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<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.107.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Variant Facade | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Nikola Kukrika, waldo and Gary Winter
<!doctype html><html lang=en class=no-js><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta name=generator content="Hugo 0.110.0"><meta name=robots content="index, follow"><link rel="shortcut icon" href=/favicons/favicon.ico><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=icon type=image/png href=/favicons/favicon-16x16.png sizes=16x16><link rel=icon type=image/png href=/favicons/favicon-32x32.png sizes=32x32><link rel=icon type=image/png href=/favicons/android-36x36.png sizes=36x36><link rel=icon type=image/png href=/favicons/android-48x48.png sizes=48x48><link rel=icon type=image/png href=/favicons/android-72x72.png sizes=72x72><link rel=icon type=image/png href=/favicons/android-96x96.png sizes=96x96><link rel=icon type=image/png href=/favicons/android-144x144.png sizes=144x144><link rel=icon type=image/png href=/favicons/android-192x192.png sizes=192x192><title>Variant Facade | alguidelines.dev - Business Central Design Patterns</title><meta name=description content="By Nikola Kukrika, waldo and Gary Winter
Abstract
The Variant façade provides a single interface that can take any Record, RecordRef or RecordID as an …"><meta property="og:title" content="Variant Facade"><meta property="og:description" content="By Nikola Kukrika, waldo and Gary Winter
Abstract The Variant façade provides a single interface that can take any Record, RecordRef or RecordID as an argument. With this pattern the code is encapsulated within the single object, with clear separation between common and table specific code.
@ -80,7 +80,7 @@ Problem Since NAV is strongly typed, developers often need to duplicate function
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span><span style=display:flex><span><span style=color:#f8f8f8;text-decoration:underline></span><span style=color:#204a87;font-weight:700>REPORT</span><span style=color:#ce5c00;font-weight:700>.</span>RUN<span style=color:#ce5c00;font-weight:700>(</span>ReportSelectionSetup<span style=color:#ce5c00;font-weight:700>.</span>&#34;Report ID&#34;<span style=color:#000;font-weight:700>,</span>VariantRecord<span style=color:#ce5c00;font-weight:700>)</span><span style=color:#000;font-weight:700>;</span><span style=color:#f8f8f8;text-decoration:underline>
</span></span></span></code></pre></div><h2 id=example>Example</h2><p>The following code illustrates how the Variant Façade pattern can be used to implement the Document-Print Codeunit.</p><p><a href=Picture7.png><img src=Picture7.png alt=" "></a></p><p><a href=Picture8.png><img src=Picture8.png alt=" "></a></p><p>From the PrintDocument signature it is clear that it will not need to be changed in the future.</p><p>Code duplication is avoided, specific code is isolated in the PrepareRecord function, there is clear extension point to add support for new records in the future. Since code is not duplicated and there is a single flow through the method, inserting hooks and events in the future will be straightforward.</p><p>When adding the support for new records in most cases it is not need to change any code within the method, thus the cost of extending the usage is minimal.</p><p>Note - PrepareRecord function is placed for the illustrational purposes. An improvement would be to move all of the code from the PrepareRecord function before calling the function. So for the SalesHeader and PurchaseHeaders discounts should be calculated before invoking the function. For passing of the argument it should be one of the fields in the Argument Table, thus the entire specific code would be eliminated.</p><h2 id=consequences>Consequences</h2><ul><li>Not needed if the functionality needs to support few tables. Don&rsquo;t use it as a hammer</li><li>Strongly typing the records has it benefits since it is easier to find usages, errors will be visible at the compilation time.</li><li>Code becomes harder to debug within the variant façade</li><li>Be careful with filters and marks, if the function needs to support multiple records. Test these cases thoughtfully because with bad placement of code the filters can easily be lost.</li><li>Case statements can explode if there are too many tables that require specific processing. Then it is a must to find a way to keep the number of options in the CASE statement low. The Rules Table pattern and adding specifics to the Argument Table before invoking the code could help with keep the list shorter.</li></ul><h2 id=nav-usages>NAV usages</h2><ul><li>Codeunit 452 - Report Distribution Management</li><li>Codeunit 700 - Page Management</li><li>Codeunit 701 - Data Type Management</li><li>Codeunit 1268 - Export Launcher</li><li>Codeunit 1410 - Doc. Exch. Service Mgt.</li><li>Codeunit 1501 - Workflow Management</li><li>Codeunit 1521 - Workflow Response Handling</li><li>Codeunit 1531 - Workflow Change Rec Mgt.</li><li>Codeunit 1535 - Approvals Mgmt.</li></ul><h2 id=related-topics>Related Topics</h2><p>OO Facade <a href=https://en.wikipedia.org/wiki/Facade_pattern>https://en.wikipedia.org/wiki/Facade_pattern</a></p><p>Argument Table pattern - <a href=/nav/w/designpatterns/245.argument-table-pattern>https://community.dynamics.com/nav/w/designpatterns/245.argument-table-pattern</a></p><p>Rules Table pattern</p><div class="text-muted mt-5 pt-3 border-top">Last modified February 24, 2022: <a href=https://github.com/microsoft/alguidelines/commit/5ee0436639455a35835c5ce88241d3fad662ee06>Added tags & categories + cleanup (5ee04366)</a>
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