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      with adoquery2 do
      begin
        close;
        sql.clear;
        sql.add('select commonname,sum(val(DMAF)) as i  from ÈÕÁ¸ÐÞ¸Ä±í  where formula = '''+trim(combobox11.text)+''' group by commonname');
        open;
      end;
      dbchart2.Series[0].XLabelssource:='commonname';
      dbchart2.series[0].YValues.valuesource:='i';
      dbchart2.series[0].DataSource:=adoquery2;


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---

    series1.Active:=false; 
        series1.DataSource:=query1;

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      Query1.Close; 
      Query1.SQL.Clear; 
      Query1.SQL.Add('select  sum(Tm)  as  nfield,Cjx  from  aaa  group  by  Cjx'); 
      Query1.Open; 
      series1.Active:=false; 
      series1.DataSource:=query1; 
      series1.xL