AjaxContext ajaxContext = AjaxContext.getCurrentInstance();
ajaxContext.addRegionsFromComponent(component);
ajaxContext.addComponentToAjaxRender(component);
ajaxContext.addRegionsFromComponent(component);
ajaxContext.addRenderedArea(clientId + ":tb");
// FIXME: check for correct client id.
// Now path & client id mixed here, it is possible that
// they will be different un case of dataTable in dataTable.