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RAD Studio VCL Reference
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TDataSource.OnUpdateData Event
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RAD Studio VCL Reference
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Occurs when the data in the current record is about to be updated.
property OnUpdateData: TNotifyEvent;
__property TNotifyEvent OnUpdateData;
Write an OnUpdateData event handler to take specific actions prior to posting data changes to the database. If an application posts changes to the database and an OnUpdateData event handler exists, the handler is called before the dataset's Post method is executed. An OnUpdateData event handler might be useful for performing additional data processing or validation before posting.
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Description