private void FilledButtonClick(object sender, RoutedEventArgs e)
        {
            search = context.StudentTables.Find(int.Parse(AdmissionNumberDisplay.Text.ToString()));

            Affidavit aff = new Affidavit(search.AdmissionNumber, search.Active);

            aff.Show();
        }
        private void BlankButtonClick(object sender, RoutedEventArgs e)
        {
            Affidavit aff = new Affidavit(0, "True");

            aff.Show();
        }