/// <summary>
        /// //////
        /// </summary>
        /// <param name="link"></param>
        /// <param name="LsvPlaylistSoundCloud"></param>
        /// <param name="pivContent"></param>
        public async void GetPlaylistSoundCloud(string link, ListView LsvPlaylistSoundCloud, ListView lsvPlaylistSoundCloudMobile, Pivot pivContent)
        {
            TrackSoundCloudViewModel trackViewModel = new TrackSoundCloudViewModel();

            LsvPlaylistSoundCloud.ItemsSource       = null;
            lsvPlaylistSoundCloudMobile.ItemsSource = null;
            await trackViewModel.GetPlaylistAsyncTask(link);

            LsvPlaylistSoundCloud.ItemsSource       = trackViewModel.PlaylistCollection;
            lsvPlaylistSoundCloudMobile.ItemsSource = trackViewModel.PlaylistCollection;
            pivContent.SelectedIndex = 1;
        }
        public async void GetUserTrackByID(string link, string linkuser, ListView LsvTrackSoundCloud, ListView lsvTrackSoundCloudMobile, Pivot pivContent, ImageBrush img, TextBlock username, TextBlock follower, TextBlock following, TextBlock tracks)
        {
            TrackSoundCloudViewModel trackViewModel = new TrackSoundCloudViewModel();

            LsvTrackSoundCloud.ItemsSource       = null;
            lsvTrackSoundCloudMobile.ItemsSource = null;
            await trackViewModel.GetTrackCollectionUserAsyncTask(link);

            trackViewModel.GetUserInforAsyncTask("", linkuser, img, username, follower, following, tracks);
            LsvTrackSoundCloud.ItemsSource       = trackViewModel.UserTrack;
            lsvTrackSoundCloudMobile.ItemsSource = trackViewModel.UserTrack;
            //string next_href = trackViewModel.Next_href[0].ToString();
            pivContent.SelectedIndex = 2;
        }
        /// <summary>
        /// ////
        /// </summary>
        /// <param name="link"></param>
        /// <param name="LsvTrackSoundCloud"></param>
        /// <param name="pivContent"></param>
        /// <param name="nextItem"></param>
        public async void GetSearchTrackSounCloud(string link, ListView LsvTrackSoundCloud, ListView lsvTrackSoundCloudMobile, Pivot pivContent, TextBlock _txtError)
        {
            TrackSoundCloudViewModel trackViewModel = new TrackSoundCloudViewModel();

            LsvTrackSoundCloud.ItemsSource       = null;
            lsvTrackSoundCloudMobile.ItemsSource = null;
            await trackViewModel.GetSearchCollectionAsyncTask(link);

            if (trackViewModel.SearchTrackCollection.Count != 0)
            {
                LsvTrackSoundCloud.ItemsSource       = trackViewModel.SearchTrackCollection;
                lsvTrackSoundCloudMobile.ItemsSource = trackViewModel.SearchTrackCollection;
                _txtError.Text = "";
            }
            else
            {
                _txtError.Text = "No more results, please to previous results...";
            }

            //nextItem = trackViewModel.Next_href[0].ToString();
            pivContent.SelectedIndex = 0;
        }