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OnBeforeModify (Table Extension) trigger

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Version: Available or changed with runtime version 1.0.

Runs when a user modifies an existing record in a table.

Syntax

trigger OnBeforeModify()
begin
    ...
end;

Remarks

This trigger is run before the default modify behavior, which checks that all the fields of a record are valid before the modification occurs. It runs automatically when the user changes at least one field (different from the primary key field) of a record in a page from the Web Client. If an error occurs in the trigger code, the record changes are canceled.

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