สอบถามการส่งค่าจาก Textbox จากหน้า1ไปอีกหน้า2 โดยที่หน้าที่2นั้นต้องส่ง Paramrter ไปยัง crystal report

          protected void cmdPrint_Click(object sender, EventArgs e)
          {
               string temp = dtpDate1.Text;
                string temp1 = dtpDate2.Text;
        	//Response.Redirect("report-jobm.aspx?startdate=" + _temp );
        	Response.Redirect("report-jobm.aspx?startdate=" + _temp + " to " + _temp1);
        }

void ConfigureCrystalReports()
        {
            string startdate = Request.QueryString["startdate"];
            string enddate = Request.QueryString["to"];

            CrystalDecisions.CrystalReports.Engine.ReportDocument rptReport
                = new CrystalDecisions.CrystalReports.Engine.ReportDocument();
            rptReport.Load(Server.MapPath("report4.rpt"));


            rptReport.SetParameterValue("startdate", Request.QueryString["startdate"]);
            rptReport.SetParameterValue("end_date", Request.QueryString["to"]);

            rptReport.SetDatabaseLogon("sa", "pa2ssword");
            CrystalReportViewer1.ReportSource = rptReport;
            Session["ReportSource1"] = rptReport;
        }

        protected void Page_Init(object sender, EventArgs e)
        {
            if (Session["ReportSource1"] != null)
            {
                CrystalReportViewer1.ReportSource = Session["ReportSource1"];
                
            }
        }