private async void Logout_Tap(object sender, System.Windows.Input.GestureEventArgs e) { ServerHelper serverHelper = new ServerHelper(); await serverHelper.Logout(); using (DataBaseContext db = new DataBaseContext(DataBaseContext.DBConnectionString)) { db.DeleteDatabase(); } IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication(); storage.Remove(); NavigationService.Navigate(new Uri("/LoginPage.xaml", UriKind.Relative)); }