// GET: Admin/UserManagers
        public async Task <ActionResult> Index(string searchString, string currentFilter, int?page)
        {
            ViewBag.Roles = RoleManager.Roles.Where(x => x.Name != "SuperAdmin").ToList();

            //var user = User.Identity;
            //ViewBag.Roles = db.Roles.Where(x => x.Name != "SuperAdmin").ToList();


            if (searchString != null)
            {
                page = 1;
            }
            else
            {
                searchString = currentFilter;
            }

            ViewBag.CurrentFilter = searchString;
            var items = await _userService.AllUsers(searchString, currentFilter, page);

            int pageSize   = 50;
            int pageNumber = (page ?? 1);

            return(View(items.ToPagedList(pageNumber, pageSize)));
        }