public string Update(string input)
        {
            System.Console.WriteLine("Masukkan Nama Video : ");
            string  nama_video = System.Console.ReadLine();
            MsVideo video      = GetById(input);

            video.NmVideo = nama_video;
            _context.Entry(video).State = System.Data.Entity.EntityState.Modified;
            _context.SaveChanges();
            return(input);
        }
        public void Insert()
        {
            System.Console.Write("Masukkan Kode Video : ");
            string kode_video = System.Console.ReadLine();

            System.Console.Write("Masukkan Nama Video : ");
            string nama_video = System.Console.ReadLine();

            System.Console.Write("Produksi : ");
            string produksi = System.Console.ReadLine();

            System.Console.Write("Jenis Video : ");
            int kode_jenis = Convert.ToInt16(System.Console.ReadLine());

            System.Console.Write("Stok : ");
            int stok = Convert.ToInt16(System.Console.ReadLine());

            System.Console.Write("Bahasa : ");
            string  bahasa = System.Console.ReadLine();
            MsVideo video  = new MsVideo()
            {
                KdVideo    = kode_video,
                NmVideo    = nama_video,
                Produksi   = produksi,
                JenisVideo = kode_jenis,
                Stok       = stok,
                Bahasa     = bahasa
            };

            try
            {
                _context.MsVideos.Add(video);
                var result = _context.SaveChanges();
            }
            catch (Exception ex)
            {
                System.Console.Write(ex.InnerException);
            }
        }