DataSet ds = SYS_GroupTrafficStatistic_SERVICE.GetList(V_CID, V_STARTTIME, V_ENDTIME, V_TIME_GRADE, V_SHOW_TIME_TYPE);
            sys_ui_grouptrafficstatistic_reportviewer.LocalReport.DataSources.Clear();
            sys_ui_grouptrafficstatistic_reportviewer.LocalReport.DataSources.Add(new ReportDataSource("ds_GroupTrafficStatistic", ds.Tables[0]));
            sys_ui_grouptrafficstatistic_reportviewer.LocalReport.Refresh();