protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            PageCanvas       = new SwipeMenu(this, PageCanvas, LayoutRoot, MoveAnimation, LeftMenu);
            Container.Height = App.Current.RootVisual.RenderSize.Height;

            if (Database.Student == null)
            {
                MessageBox.Show("Giriş yapmanız gerekiyor..");
                NavigationService.Navigate(new Uri("/LoginPage.xaml", UriKind.Relative));
            }
            else
            {
                List <Lesson> lessons = new List <Lesson>();
                Program       program = Database.Student.Programs[0];
                GANO.Text             = program.GANO.ToString();
                lessons               = program.Periods.First().Lessons.ToList();
                CalculateGANO.Lessons = new List <Lesson>();
                foreach (var lesson in lessons)
                {
                    Lessons.Children.Add(CalculateGANO.GetLessonPanel(lesson));
                }
            }
            base.OnNavigatedTo(e);
        }
 private void Calculate_Click(object sender, RoutedEventArgs e)
 {
     GANO.Text = CalculateGANO.Calculate().ToString();
 }