private void LoadData() { string sFrom = Request.QueryString["datefrom"].ToString(); string sTo = Request.QueryString["dateto"].ToString(); lblDateFrom.Text = sFrom; lblDateTo.Text = sTo; InvoiceDetails obj = new InvoiceDetails(); DataTable dtb = new DataTable(); dtb = obj.ReportbyDate_2(sFrom, sTo); rptProduct.DataSource = dtb; rptProduct.DataBind(); }