public ActionResult Add()
        {
            ViewBag.Title = "Thêm linh kiện ";
            var llk = new DbAcessLoaiLinhKien();
            var lm  = new DbAcessLoaiMay();
            var ncc = new DbAcessNhaCC();

            ViewBag.lm  = lm.ListCate();
            ViewBag.ncc = ncc.ListCate();
            return(View(llk.ListCate()));
        }
        public ActionResult Edit(int id)
        {
            ViewBag.Title = "Sửa linh kiện";
            var llk = new DbAcessLoaiLinhKien();
            var lm  = new DbAcessLoaiMay();
            var ncc = new DbAcessNhaCC();

            ViewBag.lm  = lm.ListCate();
            ViewBag.ncc = ncc.ListCate();

            var proDao = new DbAcessLinhKienMayTinh();

            ViewBag.pro = proDao.GetById(id);
            return(View(llk.ListCate()));
        }
        public ActionResult Index(int PageNum = 1, int PageSize = 5, int loai = 0)
        {
            ViewBag.Title = "Quản lý linh kiện máy tính";
            var llk = new DbAcessLoaiLinhKien();
            var lm  = new DbAcessLoaiMay();
            var ncc = new DbAcessNhaCC();

            ViewBag.lm  = lm.ListCate();
            ViewBag.ncc = ncc.ListCate();
            ViewBag.llk = llk.ListCate();

            DbAcessLinhKienMayTinh dao = new DbAcessLinhKienMayTinh();

            return(View(dao.ListProductPageLinhKien(PageNum, PageSize, loai)));
        }