public ActionResult ProductSearch(string key, int?page)
        {
            //ViewBag.chuoi = temp;
            CategoryDao          categoryDao = new CategoryDao();
            ProductsDao          productDao  = new ProductsDao();
            List <Product>       list        = productDao.SearchProduct(key);
            int                  pageSize    = 6;
            int                  pageNumber  = (page ?? 1);
            IPagedList <Product> a           = list.ToPagedList(pageNumber, pageSize);
            IndexData            data        = new IndexData
            {
                listCategory     = categoryDao.GetCategory(),
                listProductsType = a
            };

            return(View(data));
        }