private void DeletePlaylistExecute() { _delete = true; var request = new HttpRequestGet(); ValidateKey.GetValideKey(); var resDel = request.DeletePlaylist(SelectedPlaylist, Singleton.Singleton.Instance().SecureKey, Singleton.Singleton.Instance().CurrentUser); resDel.ContinueWith(delegate(Task<string> tmp) { var test = tmp.Result; if (test != null) { CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { var stringJson = JObject.Parse(test).SelectToken("code").ToString(); if (stringJson == "202") { new MessageDialog(loader.GetString("ErrorDeletePlaylist")).ShowAsync(); RefreshPlaylist(); } else new MessageDialog("Delete Fail code: " + stringJson).ShowAsync(); }); } }); }