procedure TMainForm.DataLocateComboBox1CloseUp(Sender: TObject; Accept: Boolean);
var
StrFilter:string;
begin
if DataLocateComboBox1.Text<>'' then
StrFilter :='''RQ='+DataSetBroker2.DataSet.FieldByName('RQ').AsString+'''';
Tsqldataset(DataSetBroker1.DataSet).sqlfilter := StrFilter;
Business.Forms.Dialogs.showmessage(DataSetBroker1.DataSet.FieldByName('BRWCH').AsString);
end;
end.
如上代码为何取不到数据?