private async void getCategories() { QuizDataProvider qdp = new QuizDataProvider(); var categories = await qdp.GetCategories(); foreach (var cat in categories) { Categories.Items.Add(cat); } Categories.SelectedIndex = 0; }
private async void CategoryChanged(object sender, SelectionChangedEventArgs e) { Questions.Items.Clear(); QuizDataProvider qdp = new QuizDataProvider(); var category = Categories.SelectedItem as Category; var questions = await qdp.GetQuestions(category.Id); foreach (var question in questions) { Questions.Items.Add(question); } }