public ActionResult Create(Movie movie)
 {
     if (ModelState.IsValid) {
         movieRepository.InsertOrUpdate(movie);
         movieRepository.Save();
         return RedirectToAction("Index");
     } else {
         return View();
     }
 }
 public void InsertOrUpdate(Movie movie)
 {
     if (movie.Id == default(long)) {
         // New entity
         context.Movies.Add(movie);
     } else {
         // Existing entity
         context.Entry(movie).State = EntityState.Modified;
     }
 }
        public ActionResult Edit(Movie movieToEdit)
        {
            try
            {
                // TODO: Add update logic here

                return RedirectToAction("Index");
            }
            catch
            {
                return View();
            }
        }