public ActionResult FormBrand()
        {
            if (Session["admin"] == null)
            {
                Response.Redirect("~/Admin2/Home/Login");
            }
            Brand brand = new Brand();

            try
            {
                int id = Convert.ToInt32(Request.Params["id"]);
                if (id != 0)
                {
                    brand = br.SelectBrand(id);
                }
            }
            catch
            {
            }
            return(View(brand));
        }