protected void BindReportDataSource()
        {
            DateTime start = Convert.ToDateTime(this.StartDate.Text);
            DateTime end = Convert.ToDateTime(this.EndDate.Text);
            string center = (this.Center.Text).ToString();
            string station = (this.Station.Text).ToString();
            string start1 = start.ToString();
            string end1 = end.ToString();

            this.ReportViewer1.LocalReport.DataSources.Clear();
            this.ReportViewer1.LocalReport.ReportPath = Server.MapPath(@"~/Reports/TJ_CLCDFS.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 });
            TJDAL dal = new TJDAL();
            DataTable dt = dal.Get_TJ_CLCDFS(start, end, center, station);
            this.ReportViewer1.LocalReport.DataSources.Add(new ReportDataSource("DataSetForTJ_CLCDFS", dt));
            this.ReportViewer1.LocalReport.Refresh();
        }