public ActionResult Add(string Description, int? Priority, bool IsShow)
 {
     try
     {
         Notification notification = new Notification();
         if (!Priority.HasValue)
         {
             notification.Priority = 0;
         }
         else
         {
             notification.Priority = (int)Priority;
         }
         notification.Description = Description;
         notification.IsShow = IsShow;
         notification.CreatedTime = DateTime.Now;
         bllSession.INotificationBLL.Insert(notification);
         return Redirect("/Admin/Notification/Index");
     }
     catch
     {
         log.Error(new LogContent("增加通告失败", LogType.异常.ToString(), HttpHelper.GetIPAddress()));
         ModelState.AddModelError("", "增加通告失败");
     }
     return View();
 }
 public ActionResult Edit(int id)
 {
     Notification notification = new Notification();
     notification = bllSession.INotificationBLL.GetEntity(id);
     return View(notification);
 }
        public ActionResult Edit(Notification model)
        {
            try
            {
                Notification notification = new Notification();
                notification = bllSession.INotificationBLL.GetEntity(model.Id);
                if (notification != null)
                {
                    notification.Description = model.Description;
                    notification.Priority = model.Priority;
                    notification.IsShow = model.IsShow;

                    bllSession.INotificationBLL.Update(notification);
                    return Redirect("/Admin/Notification/Index");
                }
            }
            catch
            {
                log.Error(new LogContent("修改通告失败", LogType.异常.ToString(), HttpHelper.GetIPAddress()));
                ModelState.AddModelError("", "修改通告失败");
            }
            return View();
        }