public ActionResult AddPhotoToAlbum(IEnumerable <Guid> photos, Guid albumID) { albumrepo.AddPhotoToAlbum(photos, albumID); //var album = albums.FirstOrDefault(x => x.AlbumID == albumID); //foreach (var item in photos) //{ // album.Photos.Add(GalleryController.photos.FirstOrDefault(x => x.PhotoID == item)); //} return(Content("OK!")); }