procedure TForm1.qryBugsAfterScroll(DataSet: TDataSet);
begin
  DateTimePicker1.DateTime := qryBugs.FieldByName('fixdatum').AsDateTime;
end;

procedure TForm1.DateTimePicker1CloseUp(Sender: TObject);
begin
  LockWindowUpdate(DBGrid1.Handle);
  if not (qryBugs.State in [dsEdit, dsInsert]) then qryBugs.Edit;
  qryBugs.FieldByName('fixdatum').AsDateTime := DateTimePicker1.DateTime;
  LockWindowUpdate(0);
end;