public ActionResult Restaurants(int?page, string state, string city)
        {
            var restaurants = db.GetAllNearByRestaurants(state, city);

            ViewBag.State = state;
            ViewBag.City  = city;
            int pageNumber = (page ?? 1);
            int pageSize   = 10;

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