public ActionResult Create(Rating collection)
 {
     try
     {
         // TODO: Add insert logic here
         db.Rating.Add(collection);
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     catch
     {
         return View();
     }
 }
 public ActionResult Delete(int id, Rating collection)
 {
     try
     {
         // TODO: Add delete logic here
         Rating obj = db.Rating.FirstOrDefault(x => x.RatingId == id);
         db.Rating.Remove(obj);
         db.SaveChanges();
         return RedirectToAction("Index");
     }
     catch
     {
         return View();
     }
 }