private async void UploadImage(byte[] data)
        {
            try
            {
                StartBusiness();
                var result = await SocialNetworkService.PostImageAsync(UserId, AlbumId, data);

                if (result)
                {
                    GetPhotos();
                }
            }
            catch (Exception ex)
            {
                Log.Write(string.Format("PostImageAsync Error: {0}", ex.Message));
            }
            finally
            {
                StopBusiness();
            }
        }