src/main/java/org/efaps/ui/wicket/components/gridx/behaviors/OpenModalBehavior.java
@Override
    protected void onEvent(final AjaxRequestTarget _target)
    {
        final ModalWindowContainer modal = getComponent().getPage().visitChildren(ModalWindowContainer.class,
                        new ModalVisitor());
        modal.show(_target);
    }
@Override
    protected void onEvent(final AjaxRequestTarget _target)
    {
        final ModalWindowContainer modal = getComponent().getPage().visitChildren(ModalWindowContainer.class,
                        new ModalVisitor());
        modal.show(_target);
    }
Show the modal window.

@param _target AjaxRequestTarget