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Promote knowledge for Microsoft review skills (#153)

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Move canonical knowledge for Microsoft-owned review domains into the Microsoft layer and document the skill/knowledge co-location policy.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Co-authored-by: Jesper Schulz-Wedde <jesper.schulzwedde@microsoft.com>
Copilot-Session: 2a6ea875-d38e-4f30-aadb-0d606f9be231
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---
bc-version: [all]
domain: performance
keywords: [currpage-update, onaftergetrecord, list-page, scroll, refresh]
technologies: [al]
countries: [w1]
application-area: [all]
---
# Do not call CurrPage.Update inside OnAfterGetRecord
> Contributions welcome — open a PR to refine or extend this article.
## Description
`OnAfterGetRecord` on a list already runs once per visible row on scroll and refresh. `CurrPage.Update` asks the page to reload, which fires those triggers again. The result is a refresh loop or a stutter on every row paint. Official developer performance guidance lists `CurrPage.Update()` in `OnAfterGetRecord` next to `Modify` as work that must not live there. Sibling of `do-not-modify-in-onaftergetrecord.md` (writes); this file is the client refresh half.
## Best Practice
Put display-only results in page variables assigned in `OnAfterGetRecord` without calling `Update`. If the page must refresh after an action, call `CurrPage.Update(false)` from `OnAction` once, not per row.
See sample: `avoid-currpage-update-in-onaftergetrecord.good.al`.
## Anti Pattern
`trigger OnAfterGetRecord() begin ... CurrPage.Update(); end;` on a list. The signal is `CurrPage.Update` inside `OnAfterGetRecord` or `OnAfterGetCurrRecord` without an explicit user action.
See sample: `avoid-currpage-update-in-onaftergetrecord.bad.al`.