public ActionResult Create(Movie movie)
        {
            if (ModelState.IsValid)
            {
                _repo.Add<Movie>(movie);
                _repo.SaveChanges();

                return RedirectToAction("Index");
            }
            return View();
        }
        public ActionResult Edit(Movie movie)
        {
            if (ModelState.IsValid)
            {
                var originalMovie = _repo.Find<Movie>(movie.Id);
                originalMovie.Title = movie.Title;
                originalMovie.Director = movie.Director;
                _repo.SaveChanges();

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