public ActionResult Points(int p = 1, bool u = true)
        {
            UserModel userModel = new UserModel();
            var userPoints = userModel.GetUserPoints(User.Identity.Name, u);
            int pointCount = userPoints.Count();
            ViewBag.UsablePointsCount = userModel.GetUserTotalUsablePoint(User.Identity.Name);
            ViewBag.PointUsable = u;

            int pageSize = 15;
            Paging.ToPaging(p, pointCount, this, pageSize);
            userPoints = userPoints.Skip((p - 1) * pageSize).Take(pageSize);
            ViewBag.PageName = "point";

            return View(userPoints);
        }