public IHttpActionResult GetMovieById(int id)
 {
     var db = new MovieDataSource();
     var movie = db.GetById(id);
     if (movie == null)
     {
         return NotFound();
     }
     return Ok(movie);
 }
        public ActionResult Edit(int id)
        {
            var dataSource = new MovieDataSource();
            var model = dataSource.GetById(id);

            if (model == null)
            {
                return RedirectToAction("List");
            }

            return View(model);
        }