protected void lbtnDelete_Click(object sender, EventArgs e)
        {
            List <object> fieldValues = ASPxGridView1_ProductDetail.GetSelectedFieldValues(new string[] { "ID" });

            foreach (var item in fieldValues)
            {
                _ProductDetailRepo.Remove(Utils.CIntDef(item));
            }
            Response.Redirect("danh-sach-san-pham-chi-tiet.aspx");
        }
 protected void lbtnDelete_Click(object sender, EventArgs e)
 {
     try
     {
         _ProductDetailRepo.Remove(id);
     }
     catch (Exception)
     {
         throw;
     }
     Response.Redirect("danh-sach-san-pham-chi-tiet.aspx");
 }