public ActionResult NewComment(CommentFormViewModel model, int qid, int oid)
        {
            if (ModelState.IsValid && _membershipService.IsAuthenticated())
            {
                Comment newComment = new Comment();
                newComment.CommentText = model.Comment;
                newComment.QuestionID = qid;
                newComment.QuestionOptionID = oid;
                newComment.UserID = _membershipService.GetCurrentUserId();
                _commentRepo.SaveComment(newComment);

                return RedirectToAction("NewComment", new { qid = qid, oid = oid });
            }
            model.QuestionId = qid;
            model.AnsweredOptionId = oid;
            return View("_CommentsForm", model);
        }
        public ActionResult NewComment(int qid, int oid)
        {
            CommentFormViewModel model = new CommentFormViewModel();
            model.QuestionId = qid;
            model.AnsweredOptionId = oid;

            return View("_CommentsForm", model);
        }