private void fillComboBox() {
List<?> list;
list = HibernateManager.getInstance().get(UrunBeden.class, false);
UrunBeden ub = new UrunBeden();
ub.setBeden(DEFAULT_COMBOBOX_VALUE);
cComboBoxUrunBeden.setInitialObject(ub);
cComboBoxUrunBeden.setObjects(list);
list = HibernateManager.getInstance().get(UrunModel.class, false);
UrunModel um = new UrunModel();