public ActionResult Index()
        {
            var productdao         = new ProductDAO();
            var slidedao           = new SlideDAO();
            var productcategorydao = new ProductCategoryDAO();

            ViewBag.slide         = slidedao.List();
            ViewBag.KhuyenMaiHot  = productdao.KhuyenMaiHot(4);
            ViewBag.SanPhamNoiBat = productdao.SanPhamNoiBat(4);
            ViewBag.XemNhieuNhat  = productdao.XemNhieuNhat();
            ViewBag.SanPhamMoi    = productdao.SanPhamMoi(4);
            ViewBag.DanhMucNoiBat = productcategorydao.Danhmucnoibat(6);
            return(View());
        }