private async void ContentDialog_SecondaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args) { rootNode = await parser.getRootNodeOfPage(GlobalVariables.linkLogin); string livestreet_security_key = AbstractParser.getLivestreetSecurityKey(rootNode); string sessionId = AbstractParser.getSessionId(rootNode); string authorize_uri = GlobalVariables.linkAjaxLogin + Login.Text + "&password="******"&security_ls_key=" + livestreet_security_key; HttpClient client = new HttpClient(); var response = await client.GetStringAsync(authorize_uri); var appSettings = Windows.Storage.ApplicationData.Current.LocalSettings; appSettings.Values["livestreet_security_key"] = livestreet_security_key; appSettings.Values["sessionId"] = sessionId; JsonResponse json = JsonConvert.DeserializeObject <JsonResponse>(response); if (json.bStateError == false) { isLoginSuccessed = true; } }