public ActionResult SendMail(BindingViewModel model)
 {
     if (Request.IsAjaxRequest())
     {
         return null;
     }
     return RedirectToAction("Index");
 }
        //
        // GET: /Binding/
        public ActionResult Index(string searchTerm = null, int page = 1)
        {
            var model = new BindingViewModel();
            var user = User.GetSmartRewardUser(db);
            model.result = db.Users
                .Where(u => u.UserId != user.UserId && (searchTerm == null || u.Email.Contains(searchTerm)))
                .OrderBy(u => u.UserId)
                .ToPagedList(page, 10);

            if (Request.IsAjaxRequest())
            {
                return PartialView("_Members", model);
            }

            return View(model);
        }