private void AddUniversity_Button_Click(object sender, RoutedEventArgs e)
{
if (Name_Field.Text.Length > 0)
{
NameError.Visibility = Visibility.Hidden;
university.Name = Name_Field.Text;
dbl.AddUniversity(university);
UniversityAdded_Event(university);
}
else
{
NameError.Visibility = Visibility.Visible;
}
}