private int counter = 0;
public MyPage() {
super(new CompoundPropertyModel(this));
final Label counterLabel = new Label("counter");
add(counterLabel);
counterLabel.setOutputMarkupId(true);
add(new AjaxLink("counterLabelLink")
@Override
public void onClick(AjaxRequestTarget target) {
counter++;
target.addComponent(counterLabel);
Re-render
}
label
});
}