Argh, fecking forum. Sorry. anonymous wrote : | | ... | | @DataModel | | private List<Category> categories; | | | | @DataModelSelection | | private Category selectedCategory; | | | | ... | | | | @Create | | public String init() | | { | | if (currentCategory == null) | | { | | currentCategory = (Category) em.createNamedQuery("Category.findRoot").getSingleResult(); | | } | | return "success"; | | } | | | | ... | | | | public void select() | | { | | currentCategory = selectedCategory; | | return; | | } | | | | ... | | Assuming you have @Out(scope=SESSION) CurrentCategory currentCategory and you call #{categoryManager.select} method when you change the category that would be a good approach, yes. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4053298#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...