// GET: Admin/Schedules
        public ActionResult Index(int page = 1, int pageSize = 10)
        {
            var dao       = new ScheduleDAO();
            var model     = dao.ListAllPaging(page, pageSize);
            var schedules = db.Schedules.Include(s => s.Class).Include(s => s.Subject);

            return(View(model));
        }