private async Task AddToAlbumList()
        {
            var popUp = new PopupAddToAlbumList(AlbumId);
            int placeholderId;

            popUp.CallbackEvent += async(object sender, object e) =>
            {
                placeholderId = (int)e;
                if (placeholderId == 0)
                {
                    return;
                }
                else
                {
                    AlbumListAlbumUpsertRequest req = new AlbumListAlbumUpsertRequest()
                    {
                        AlbumId     = AlbumId,
                        AlbumListId = placeholderId
                    };
                    await _albumListAlbumService.Insert <AlbumListAlbum>(req);

                    await Application.Current.MainPage.DisplayAlert("Success", "Album successfully added to album list!", "OK");
                }
            };
            await PopupNavigation.Instance.PushAsync(popUp);
        }
        private async Task Clicked()
        {
            AlbumListAlbumUpsertRequest req = new AlbumListAlbumUpsertRequest()
            {
                AlbumId     = SelectedAlbum.AlbumId,
                AlbumListId = AlbumListId
            };

            try
            {
                if (AddAlbums == true)
                {
                    await _albumListAlbumService.Insert <AlbumListAlbum>(req);
                }
                else
                {
                    await _albumListAlbumService.Update <AlbumListAlbum>(0, req);
                }
                Albums.Remove(SelectedAlbum);
                AllAlbums.Remove(SelectedAlbum);
                SelectedAlbum = null;
            }
            catch (Exception ex)
            {
                await Application.Current.MainPage.DisplayAlert("Error", ex.Message, "OK");
            }
        }