private async Task InitInfo()
 {
     //JDA dit is uw code, los het op
     _smps = await StudentModulePuntRepository.Entries();
     _studs = StudentRepository.Studenten(_smps);
     cboStudenten.Items.Clear();
     foreach (Student s in _studs)
     {                
         ctlStudent ctl = new ctlStudent();
         ctl.ToonStudent(s);
         cboStudenten.Items.Add(ctl);
     }
     if (cboStudenten.Items.Count > 0)
         cboStudenten.SelectedIndex = cboStudenten.Items.Count / 2;
 }
        async void Page_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e)
        {
            Punten = await StudentModulePuntRepository.Entries();
            Studenten = (from smp in Punten
                         group smp by new Student { Email = smp.Email, GeboortePlaats = smp.GeboortePlaats } into emails
                         select emails.Key).ToList<Student>();

            foreach(Student s in Studenten)
            {
                ctlStudent ctl = new ctlStudent();
                ctl.ToonStudent(s);
                cboStudenten.Items.Add(ctl);

            }
            if (cboStudenten.Items.Count > 0)
                cboStudenten.SelectedIndex = cboStudenten.Items.Count / 2;
            //cboStudenten.ItemsSource = DistileerEmails(Punten);
        }