procedure TForm1.Button1Click(Sender: TObject);
begin
ADOConnection1.Open;
ADOCommand1.Connection := ADOConnection1;
ADOCommand1.CommandText := 'SELECT sum(用量) FROM applicationx';
ADODataSet1.Recordset := ADOCommand1.Execute(); Edit1.Text := ADODataSet1??????;
end;怎么把ADODataSet1里的SUM(用量)赋给 Edit1.Text ???谢谢您的指教!
begin
ADOConnection1.Open;
ADOCommand1.Connection := ADOConnection1;
ADOCommand1.CommandText := 'SELECT sum(用量) FROM applicationx';
ADODataSet1.Recordset := ADOCommand1.Execute(); Edit1.Text := ADODataSet1??????;
end;怎么把ADODataSet1里的SUM(用量)赋给 Edit1.Text ???谢谢您的指教!
Edit1.Text:=ADODataSet1("Sum(字段名)")