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    qy2.close;
    qy2.SQL.Clear;
    qy2.SQL.Add('select * from xyjjcb where yf='''+xyjlr.maskedit3.text+''' order by xm');
    qy2.Open;
    while not qy2.eof do
      begin
        DBgrideh1.columns[0].picklist.Add(qy2.FieldByName('xm').AsString);
        qy2.Next;
      end;



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procedure TFormSearchAchievement.ComboBoxXYChange(Sender: TObject);
var
  XY : string;
begin
  XY := comboboxxy.Items[comboboxx ......
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