public ActionResult Show(int? id,string sort) {
     ViewQuestion vq=new ViewQuestion();
     int qid = id ?? 0;
     ViewBag.CurrentUser = GetUser();
     using (club = new ClubEntities()) {
         vq = club.ViewQuestions.Where(q => q.Id == qid).FirstOrDefault();
         var question = club.Questions.Where(q => q.Id == qid).FirstOrDefault();
         if (question != null) {
             question.Views += 1;
         }
         club.SaveChanges();
         ViewBag.AnswerCount = club.Answers.Where(a => a.QId == qid).Count();
         ViewBag.AnswerVote = club.AnswerVotes.Where(a => a.QId == qid).ToList<AnswerVote>();
         switch(sort){
             case "time":
                 ViewBag.ViewAnswers = GetAnswerList(club, q => q.QId == qid,q=>q.Id,0);
                 break;
             case "vote":
                 ViewBag.ViewAnswers = GetAnswerList(club, q => q.QId == qid, q => q.Agree, 0);
                 break;
             default:
                 ViewBag.ViewAnswers = GetAnswerList(club, q => q.QId == qid,q=>q.Id,0);
                 break;
         }
         if (vq == null)
             return Redirect("/error/notfound");
         ViewBag.Title = vq.Title;
         ViewBag.OtherQuestions = club.Questions.Where(q => q.UserId == vq.UserId&&q.Id!=vq.Id).Take(6).ToList<Question>();
     }
     return View(vq);
 }
 public ActionResult Show(int? id) {
     tId = id ?? 0;
     using (club = new ClubEntities()) {
         viewQuestion = club.ViewQuestions.Where(v => v.Id == tId).FirstOrDefault();
     }
     if (viewQuestion == null)
         return RedirectToAction("notfound","error");
     return View(viewQuestion);
 }