public void showDialog() {
JOptionPane.showMessageDialog(null, jGesamtPanel, "Policy Grundwerte", JOptionPane.QUESTION_MESSAGE);
}
public void refresh() {
jMappingTable.setModel(new PolicyMappingModel());
TableColumn a = jMappingTable.getColumnModel().getColumn(1);
DefaultComboBoxModel aModel = dbModel.getAPoliciesAsComboModel();
aModel.addElement(dummy);
JComboBox aCombo = new JComboBox(aModel);