private void BindGrid()
    {
        if (!string.IsNullOrEmpty(Session["BuyerId"].ToString()))
        {
            DataTable dtOrder = orderObj.OrderbyBuyer(Session["BuyerId"].ToString());
            Session["OrderDt_s"] = dtOrder;
            if (dtOrder.Rows.Count > 0)
            {
                dlOrderHistory.DataSource = dtOrder;
                dlOrderHistory.DataBind();

                foreach (RepeaterItem dli in dlOrderHistory.Items)
                {
                    int OrderID = Convert.ToInt32(((LinkButton)dli.FindControl("lbtnOrderID")).CommandArgument);
                    ((ImageButton)dlOrderHistory.Items[dli.ItemIndex].FindControl("ibtnNOExpColap")).ImageUrl = "~/images/collapse.JPG";
                    string str   = ((HiddenField)dlOrderHistory.Items[dli.ItemIndex].FindControl("hfBuyerPO")).Value.ToString();
                    string Lsstr = ((HiddenField)dlOrderHistory.Items[dli.ItemIndex].FindControl("hfLS")).Value.ToString();
                    if (!string.IsNullOrEmpty(Lsstr))
                    {
                        (dli.FindControl("hlLS") as HyperLink).Visible = true;
                        //(dli.FindControl("lbtnLS") as LinkButton).Visible = true;
                    }
                    // string Status = (dlOrderHistory.FindControl("hfBuyerPO") as HiddenField).Value.ToString();
                    if (!string.IsNullOrEmpty(str))
                    {
                        (dli.FindControl("hlBuyerPO") as HyperLink).Visible = true;
                        (dli.FindControl("btnUpdate") as Button).Visible    = false;
                    }
                    (dli.FindControl("gvOrderHistory") as GridView).DataSource = orderObj.BindBuyerOrderProductList(OrderID);
                    (dli.FindControl("gvOrderHistory") as GridView).DataBind();
                }
            }
        }
    }