public ActionResult Create(ActorViewModel actorVM)
        {
            if (ModelState.IsValid && actorVM != null)
            {
                Actor actor = new Actor
                {
                    Name = actorVM.Name,
                    Studio = actorVM.Studio,
                    StudioAddress = actorVM.StudioAddress
                };

                db.Actors.Add(actor);
                db.SaveChanges();
                return Content("");
            }

            return PartialView("_CreateActor", actorVM);
        }
        public ActionResult Create(MovieViewModel movieVM)
        {
            if (ModelState.IsValid && movieVM != null)
            {
                var actorId = Convert.ToInt32(movieVM.LandingMaleRoleName);
                var actressId = Convert.ToInt32(movieVM.LandingFemaleRoleName);
                Actor leadingActress = new Actor();
                Actor leadingActor = new Actor();

                if (actorId > 0)
                {
                    leadingActor = db.Actors.Find(actorId);
                    if (leadingActor == null)
                    {
                        throw new ArgumentException("Actor does not exists!");
                    }
                }

                if (actressId > 0)
                {
                    leadingActress = db.Actors.Find(actressId);
                    if (leadingActress == null)
                    {
                        throw new ArgumentException("Actress does not exists!");
                    }
                }

                Movie movie = new Movie()
                {
                    Title = movieVM.Title,
                    Year = movieVM.Year,
                    LandingFemaleRole = leadingActress,
                    LandingMaleRole = leadingActor
                };

                db.Movies.Add(movie);
                db.SaveChanges();
                return Content("");
            }

            return PartialView("_CreateMovie", movieVM);
        }