protected void btnSystemAttachUpload_Click(object sender, EventArgs e) { if (Request.QueryString["RefHandle"] != null && Request.QueryString["RefIndex"] != null) { divTransmittalScreen.Visible = true; objAttachmentcls = new AttachmentCls(); // objAttachmentcls.IndexValue = Request.QueryString["Index"]; objAttachmentcls.AttachmentHandle = Request.QueryString["RefHandle"]; objAttachmentcls.IndexValue = Request.QueryString["RefIndex"]; DataTable dt = objAttachmentcls.GetExistingAttachment(); if (dt.Rows.Count > 0) { // Session["sDocumentId"] = dt.Rows[0]["t_dcid"].ToString(); //// Session["sFileName"] = dt.Rows[0]["t_fnam"].ToString(); // Session["sLibCode"] = dt.Rows[0]["t_lbcd"].ToString(); // Session["sattachedby"] = dt.Rows[0]["t_atby"].ToString(); divViewExistingAttachment.Visible = true; divExistingAttachNotExists.Visible = false; btnCopyAttachment.Visible = true; gvExistingAttachments.DataSource = dt; gvExistingAttachments.DataBind(); } else { divExistingAttachNotExists.Visible = true; divViewExistingAttachment.Visible = false; } } { // No Attachment exists for the provide reference handle and reference Index } }