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Title the article after the platform error it explains

Browse source 
"AL methods limited during write transactions: commit before RunModal
and Codeunit.Run" - so a developer or agent searching for the runtime
error text lands on the one article that covers all four restricted
methods. Slug and sample stems renamed to match; keywords gain the
error's own phrase and the legacy Form.RunModal name it still uses.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Michael Dieringer 2026-09-07 23:15:00 +02:00
parent cfe592fde9
commit 1e5d901bd4
3 changed files with 4 additions and 4 deletions
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18
microsoft/knowledge/performance/al-methods-limited-during-write-transactions.bad.al Normal file
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codeunit 50258 "Perf Sample RunModalInTxn Bad"
{
procedure ChangeShippingAgent(DocNo: Code[20])
var
SalesHeader: Record "Sales Header";
ShippingAgent: Record "Shipping Agent";
begin
SalesHeader.Get(SalesHeader."Document Type"::Order, DocNo);
SalesHeader."Shipment Date" := WorkDate();
SalesHeader.Modify(true); // a write transaction is now open
// Runtime error: RunModal is not allowed in write transactions.
if Page.RunModal(Page::"Shipping Agents", ShippingAgent) = Action::LookupOK then begin
SalesHeader.Validate("Shipping Agent Code", ShippingAgent.Code);
SalesHeader.Modify(true);
end;
end;
}