[ritux]

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procedure TfrmMain.DBLookupComboBoxClick(Sender: TObject);
begin
If Not(MessageDlg('¿Este es el registro?', mtConfirmation, [mbYes, mbNo], 0) = IdYes) Then
Begin
DBLookupComboBox.ListSource.DataSet.Prior; DBLookupComboBox.KeyValue:=DBLookupComboBox.ListSource.DataSet.FieldByName(DBLookupComboBox.DataFiel d).AsVariant;
End;
end;