/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="navigationParameter">The parameter value passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested. /// </param> /// <param name="pageState">A dictionary of state preserved by this page during an earlier /// session. This will be null the first time a page is visited.</param> protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState) { // TODO: Create an appropriate data model for your problem domain to replace the sample data var countryDataGroups = CountryDataSource.GetGroups((String)navigationParameter); this.DefaultViewModel["Groups"] = countryDataGroups; this.groupGridView.ItemsSource = this.groupedItemsViewSource.View.CollectionGroups; }