Applies To
TQDBItem, TQDBView
Declaration
property OnKey : TKeyEvent;
Description
The Store method calls the OnKey event to supply the key necessary to index the item. If no OnKey handler has been assigned the EQDBKeyError exception is raised.
Example
procedure OnKeyHandler(Sender : TObject; var Key : TKey);
begin
Key := Q.AsString['KeyField'];
end;