public void AddMovie(string title, string director, string release, int genreID, int age, int duration, string description) { using (CinemaEntities database = new CinemaEntities()) { Movie newMovie = database.Movie.Create(); newMovie.Movie_ID = Convert.ToInt32(database.sp_getSeqMovieID().FirstOrDefault()); newMovie.Title = title; newMovie.Director = director; newMovie.Age_Category = age; newMovie.Duration = duration; newMovie.Release_Date = DateTime.Parse(release); newMovie.Genre_ID = genreID; newMovie.Description = description; database.Movie.Add(newMovie); database.SaveChanges(); } }