RAD Studio VCL Reference
TDataSet.BeforeDelete Event

Occurs before an application attempts to delete the active record.

property BeforeDelete: TDataSetNotifyEvent;
__property TDataSetNotifyEvent BeforeDelete;

Write a BeforeDelete event handler to take specific action before an application deletes the active record. BeforeDelete is called by Delete before it actually deletes a record. 

In Delphi, making use of this event an application might, for example, display a dialog box asking for confirmation before deleting the record. On denial of confirmation, the application could abort the deletion by calling the Abort procedure. 


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