public ActionResult Shop(int page = 1, int pageSize = 6)
        {
            var product = dao.ListAllPaging(pageSize, page);

            ViewBag.RandomProducts = dao.ListRandomProducts();
            return(View(product));
        }
        public ActionResult Index(int pageSize = 3, int page = 1)
        {
            var model = dao.ListAllPaging(pageSize, page);

            return(View(model));
        }