Zend FR

class DojoController extends Zend_Controller_Action
{

    public function searchcityAction()
    {    
        $form = new Searchformcity();
        if ($this->_request->isPost())
        {
             if ($form->isValid($_POST))
             {
             $userId = $this->_getParam('userId');
             } else
             {
             $form->populate($_POST);
             $this->view->form = $form;
             }

       } else
       {
             $this->view->form = $form;  
       }
    }


 public function typelistAction()
    {

    $language= new LanguesService();
    $lng= $language->getIdLanguage();

    $query = Doctrine_Query::create()
             ->select('c.city_name')
             ->from ('City c')
             ->where('c.lng_id=?',$lng);

    $result= $query->execute();
    $data = new Zend_Dojo_Data('cit_id', $result);
    echo $data->toJson();
    exit;
    }

}

class Searchformtype extends Zend_Form{

    public function init(){

        $form = new Zend_Form();

        $typeId = new Zend_Dojo_Form_Element_FilteringSelect('typeId');
        $typeId->setLabel('Sélectionner votre choix :')
               ->setAutoComplete(true)
               ->setStoreId('userStore')
               ->setStoreType('dojo.data.ItemFileReadStore')
               ->setDijitParam("style",'width:400px')
           ->setDijitParam("hasDownArrow",'true')
               ->setStoreParams(array('url'=>'typelist'))
               ->setAttrib("searchAttr", "city_name")
               ->setRequired(true);

        $submit = $form->createElement('submit', 'chercher');
        $this->addElements(array($typeId, $submit));
        }
}

[production]

....

routes.searchcity.route = "/:language/:controller/:action/:cittypid"
routes.searchcity.defaults.controller = dojo
routes.searchcity.defaults.action = searchcity
routes.searchcity.defaults.language = $local

$cittypid= $this->_getParam('cittypid');

 public function typelistAction()
    {

    $cittypid= $this->_getParam('cittypid');
    
    $language= new LanguesService();
    $lng= $language->getIdLanguage();

    $query = Doctrine_Query::create()
             ->select('c.city_name')
             ->from ('City c')
             ->where('c.lng_id=?',$lng)

           ->andwhere('c.cit_typ_id=?',$cittypid);

    $result= $query->execute();
    $data = new Zend_Dojo_Data('cit_id', $result);
    echo $data->toJson();
    exit;
    }