private async void Return()
{
var viewModel = new CourseViewModel();
var page = new CoursePage(_term[0]);
{
BindingContext = viewModel;
};
await this.Navigation.PushAsync(page, true);
}
private async void LstTerms_ItemTapped(object sender, ItemTappedEventArgs e)
{
var term = (Term)e.Item;
var courseViewModel = new CourseViewModel();
var coursesList = await App.Database.GetCoursesAsync();
var filteredCourses = coursesList.Where(r => r.TermId == term.Id).ToList();
var courses = new ObservableCollection <Course>(filteredCourses);
courseViewModel.Courses = courses;
var coursePage = new CoursePage(term, _terms)
{
BindingContext = courseViewModel
};
await this.Navigation.PushAsync(coursePage, true);
}