public ActionResult Index(int? id)
        {
            ViewBag.TeachRecordId = id;

            var model = new SearchTeachRecordModel()
            {
                TeacherId = LoginUserManager.CurrLoginUser.TeacherId,
                BeginDate = DateTime.Now
            };
            return View(model);
        }
        public ActionResult SearchTeachRecordList(SearchTeachRecordModel search, [DefaultValue(1)]int pageIndex)
        {
            search.TeacherId = LoginUserManager.CurrLoginUser.TeacherId;

            var model = StudyBLL.GetTeachRecordListByTeacherId(search.TeacherId, search.BeginDate, search.EndDate,
                search.IsWaiting, search.IsHasClose, search.IsNotClose,
                new Paging() { PageIndex = pageIndex, PageSize = 5 });

            Session["SearchTeachRecordModel"] = search;
            return PartialView("_List", model);
        }