public ActionResult addComment(int id = 0)
        {
            var        replyContext = new ReplyDBContext();
            ReplyModel rModel       = new ReplyModel();

            rModel.PoserId    = id;
            rModel.Text       = Request.Unvalidated["replyText"];
            rModel.UserId     = new UsersContext().UserProfiles.Single(u => u.UserName == User.Identity.Name).UserId;
            rModel.CreateTime = DateTime.Now;
            rModel.ModifyTime = DateTime.Now;
            replyContext.Replys.Add(rModel);
            replyContext.SaveChanges();
            return(RedirectToAction("details/" + id));
        }