public ActionResult DeleteConfirmed(int id)
        {
            string restName;

            using (TabemashouEntities dc = new TabemashouEntities())
            {
                Restaurant restaurant = dc.Restaurant.Find(id);
                restName = restaurant.Name;
            }
            TempData["Success"] = restName + " deleted successfully.";
            db.PR_DeleteRestaurant(id);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }