protected void BindReportDataSource() { DateTime start = Convert.ToDateTime(this.StartDate.Text); DateTime end = Convert.ToDateTime(this.EndDate.Text); string callNumber = (this.callNumber.Text).ToString(); string actionResult = Convert.ToString(this.HiddenForResult.Value); string start1 = start.ToString(); string end1 = end.ToString(); this.ReportViewer1.LocalReport.DataSources.Clear(); this.ReportViewer1.LocalReport.ReportPath = Server.MapPath(@"~/Reports/LS_LDJL.rdlc"); Microsoft.Reporting.WebForms.ReportParameter st = new Microsoft.Reporting.WebForms.ReportParameter("StartTime", start1); Microsoft.Reporting.WebForms.ReportParameter ed = new Microsoft.Reporting.WebForms.ReportParameter("EndTime", end1); this.ReportViewer1.LocalReport.SetParameters(new Microsoft.Reporting.WebForms.ReportParameter[] { st, ed }); LSDAL dal = new LSDAL(); DataTable dt = dal.Get_LS_LDJL(start, end, callNumber, actionResult); this.ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource("DataSetForLS_LDJL", dt)); this.ReportViewer1.LocalReport.Refresh(); }