public ActionResult Question(long id)
        {
            var Question = db.Question.Find(id);
            var User = db.User.Find(Int32.Parse(Request.Cookies["user_active"].Value));

            var answer = new Answer
            {
                Question = Question,
                User = User,
                QuestionID = Int32.Parse(Question.ID.ToString()),
                UserID = Int32.Parse(User.ID.ToString())
            };

            return View(answer);
        }
        public ActionResult Answer([Bind(Include = "ID,QuestionID,UserID,Response,Date")] Answer answer)
        {
            if (ModelState.IsValid)
            {
                db.Answer.Add(answer);
                db.SaveChanges();

                var current_question = db.Question.Find(answer.QuestionID);

                var Question = GetNextQuestion(answer.QuestionID, current_question.Order);

                if (Question != null)
                {
                    var User = db.User.Find(Int32.Parse(Request.Cookies["user_active"].Value));

                    var next_question = new Answer
                    {
                        UserID = User.ID,
                        Date = answer.Date,
                        Question = Question,
                        QuestionID = Int32.Parse(Question.ID.ToString()),
                        User = User,
                        Response = false
                    };

                    return View(next_question);
                }
                else
                {
                    return RedirectToAction("Index");
                }                
            }

            return View(answer);
        }