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sql.Add('select consumetime , count(consumetime) as ID from t_fundsflow where consumedate between '''+datetimetostr(DateTimePicker1.datetime)+''' and '''+datetimetostr(DateTimePicker2.datetime)+''' and consumetime between '''+datetimetostr(DateTimePicker3.datetime)+''' and '''+datetimetostr(DateTimePicker4.datetime)+''' group by consumetime');
open;
begin
ADOQuery1.Active:=True;
DBChart1.Series[0].DataSource:=ADOQuery1;
DBChart1.Series[0].XLabelsSource:='consumetime';
DBChart1.Series[0].YValues.ValueSource:='ID';
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