public Produkt_anlegen(DatabaseAdapter db)
{
InitializeComponent();
this.db = db;
cprod = new ControllerProdukt(db, this);
cprod.anzeigen(new Produkt());
}
private void Listchanged(object sender, SelectionChangedEventArgs e)
{
Produkt p = ((sender as ListBox).SelectedItem as Produkt);
cntrl.anzeigen(p);
}