public ActionResult Create(Restaurant restaurant)
        {
            if (ModelState.IsValid)
            {
                db.Restaurants.Add(restaurant);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(restaurant);
        }
 public ActionResult Edit(Restaurant restaurant)
 {
     if (ModelState.IsValid)
     {
         db.Entry(restaurant).State = EntityState.Modified;
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     return View(restaurant);
 }