public ActionResult CreatePoll(PollModelView pollModelView)
        {
            if (!ModelState.IsValid)
            {
                return(View(pollModelView));
            }
            var user = appUserManager.FindById(User.Identity.GetUserId());

            if (user.CreatedPoll.Count > 10)
            {
                ModelState.AddModelError("LimitPollUser", "You can't have more than 10 poll on your account. You must delete some old one.");
                return(View(pollModelView));
            }
            var poll = pollManager.AddNewPollAndReturnPoll(pollModelView, user, db);

            return(RedirectToAction("PollVote", new { id = poll.Id }));
        }