public ActionResult Create(LunchRegister Lunchregister)
        {
            Lunchregister.LunchDate = Utilities.ToDateWithTimeZone(DateTime.Now.ToUniversalTime(), Utilities.ChinaTimeZoneId).Date;

            if (ModelState.IsValid)
            {
                db.LunchRegisters.Add(Lunchregister);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            ViewBag.User_id = new SelectList(db.Users, "User_id", "UserName", Lunchregister.User_id);
            return View(Lunchregister);
        }
 public ActionResult Edit(LunchRegister Lunchregister)
 {
     if (ModelState.IsValid)
     {
         db.Entry(Lunchregister).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     ViewBag.User_id = new SelectList(db.Users, "User_id", "UserName", Lunchregister.User_id);
     return View(Lunchregister);
 }