public ActionResult Create(DormExam dormexam)
        {
            if (ModelState.IsValid)
            {
                Db.DormExams.Add(dormexam);
                Db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(dormexam);
        }
        public String ReceiveDormExam(int userId, DormExamRecord der)
        {
            if (der == null)
            {
                return "对象不能为空";
            }
            var user = UserInfoDao.GetUserInfoById(userId);
            if (user == null)
            {
                return "用户不存在";
            }
            var listExam =
                Db.DormExams.Where(
                    u =>
                        u.SchoolYear == _schoolYear && u.Week == _week && u.DormInfo.Num == der.DormInfo && u.DormExamType.Name == "普查").ToList();
            if (listExam.Count > 0 && der.DormExamType == "普查")
            {
                return "该寝室检查信息本周已被提交";
            }
            var dormExam = new DormExam
            {
                Attitude = der.Attitude,
                Bed = der.Bed,
                DoorWindows = der.DoorWindows,
                DormExamType = DormExamTypeDao.GetByName(der.DormExamType),
                DormInfo = DormInfoDao.GetDormInfoByNum(der.DormInfo),
                Ground = der.Ground,
                Irregularity = DormIrregularityDao.GetByName(der.Irregularity),
                IsStop = 0,
                OperatorPeople = user,
                Point = der.Point,
                Grade = CalculateGrade(der.Point),
                Remarks = der.Remarks,
                Review = der.Review,
                Rubbish = der.Rubbish,
                SchoolYear = _schoolYear,
                Smell = der.Smell,
                Thing = der.Thing,
                Time = DateTime.Now,
                Toilet = der.Toilet,
                Week = _week,
                Whole = der.Whole
            };
            Db.DormExams.Add(dormExam);
            Db.SaveChanges();
            return "保存成功";

            //验证重复    提示“该寝室检查信息本周已被提交”
            //判断空对象  提示“对象不能为空”
            //用户不存在  提示“用户不存在”
            //成功        提示“保存成功”
            //
        }
 public ActionResult Edit(DormExam dormexam)
 {
     if (ModelState.IsValid)
     {
         Db.Entry(dormexam).State = EntityState.Modified;
         Db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(dormexam);
 }