public ActionResult Product(string cate)
        {
            Models.Dao.ProductDao product = Models.Dao.ProductDao.Instance;

            if (Session["Cart"] == null)
            {
                List <Models.ModelView.CartView> Cart = new List <Models.ModelView.CartView>();
                Session["Cart"] = Cart;
            }
            Session["listProduct"] = product.Search_characters_Category(cate);
            Session["NameCate"]    = cate;
            return(View());
        }