procedure TFrm_dj120.Button2Click(Sender: TObject);
begin
edit1.Text:=vartostr(dm_dj120.CDS_tmpdj120Agg_hsje.Value);
edit2.Text:=vartostr( dm_dj120.CDS_tmpdj120hsje.AsString);
end;其中CDS_tmpdj120Agg_hsje.expression:=sum(hsje),CDS_tmpdj120Agg_hsje是
基于CDS_tmpdj120hsje创建的aggreate字段,CDS_tmpdj120Agg是clientdataset
运行后
edit1.text:=''
edit2.text:=7,7是hsje字段的值.
begin
edit1.Text:=vartostr(dm_dj120.CDS_tmpdj120Agg_hsje.Value);
edit2.Text:=vartostr( dm_dj120.CDS_tmpdj120hsje.AsString);
end;其中CDS_tmpdj120Agg_hsje.expression:=sum(hsje),CDS_tmpdj120Agg_hsje是
基于CDS_tmpdj120hsje创建的aggreate字段,CDS_tmpdj120Agg是clientdataset
运行后
edit1.text:=''
edit2.text:=7,7是hsje字段的值.
解决方案 »
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