private void BindSubGrid(RepeaterItem itm)
    {
        var grd        = itm.FindControl("gvOrder") as GridView;
        var trSubTable = itm.FindControl("trSubTable") as HtmlTableRow;
        int OrderID    = Convert.ToInt32((itm.FindControl("lblorderid") as Label).Text);

        ((ImageButton)itm.FindControl("ibtnNOExpColap")).ImageUrl = "~/images/collapse.JPG";
        DataTable dtBOPlist = BranchOrderObj.BindBranchOrderProductList(OrderID);
        string    strLS     = ((HiddenField)itm.FindControl("hfLSpdf")).Value.ToString();
        string    str       = ((HiddenField)itm.FindControl("hfOrderPdf")).Value.ToString();

        if (dtBOPlist.Rows.Count > 0)
        {
            if (!string.IsNullOrEmpty(strLS))
            {
                (itm.FindControl("hlLSpdf") as HyperLink).Visible = true;
                //(itm.FindControl("lbtnLSpdf") as LinkButton).Visible = true;
            }
            else
            {
                (itm.FindControl("hlLSpdf") as HyperLink).ForeColor = System.Drawing.ColorTranslator.FromHtml("#d3d3d3");
            }
            if (!string.IsNullOrEmpty(str))
            {
                (itm.FindControl("hlPDF") as HyperLink).Visible = true;
                //(itm.FindControl("lbtnOrderpdfDownload") as LinkButton).Visible = true;
            }
            else
            {
                (itm.FindControl("hlPDF") as HyperLink).ForeColor = System.Drawing.ColorTranslator.FromHtml("#d3d3d3");
            }
            grd.DataSource = dtBOPlist;
            grd.DataBind();
            trSubTable.Style.Add(HtmlTextWriterStyle.Display, "''");
        }
        else
        {
            trSubTable.Style.Add(HtmlTextWriterStyle.Display, "none");
        }
    }