//CHO DUET
        public ActionResult Index(string searchString, int page = 1, int pageSize = 5)
        {
            var model = dao.ListAll(searchString, page, pageSize, 0);

            ViewBag.searchstring = searchString;
            return(View(model));
        }
        // GET: Admin/Giothieu
        public ActionResult Index()
        {
            var dao   = new LienHeDAO();
            var model = dao.ListAll(1);

            return(View(model));
        }
        public ActionResult Edit(long id)
        {
            var dao     = new LienHeDAO();
            var content = dao.ListAll(id);


            return(View(content));
        }