String username,password;
public JDBCAuthProviderPanel(String id, IModel<JDBCConnectAuthProviderConfig> model) {
super(id, model);
add(new UserGroupServiceChoice("userGroupServiceName"));
add(new JDBCDriverChoice("driverClassName"));
add(new TextField<String>("connectURL"));
TextField<String> userNameField = new TextField<String>("username");
userNameField.setModel(new PropertyModel<String>(this, "username"));