public ActionResult Create(int id)
        {
            Title title = new Title()
            {
                ForumID = id
            };
            return View(title);
        }

        [AcceptVerbs(HttpVerbs.Post), Authorize]
        public ActionResult Create(Title title)
        {
            UserRepository userRepository = new UserRepository();
            if (ModelState.IsValid)
            {
                try
                {
                    title.CreateUserID = userRepository.GetUser(User.Identity.Name).aspnet_User.UserId;
                    title.CreateTime = DateTime.Now;
                    titleRepository.Add(title);
                    titleRepository.Save();
                    return RedirectToAction("Details", new { id = title.TitleID });
                }
                catch(Exception ex)
                {
                    ModelState.AddRuleViolations(title.GetRuleViolations());
                    Response.Write(ex.Message);
                }
            }
            return View(title);
        }