public function execute()
 {
     try {
         if (request::getInstance()->isMethod('POST')) {
             $id = request::getInstance()->getPost(cargoTableClass::getNameField(cargoTableClass::ID, true));
             $descripcion = request::getInstance()->getPost(cargoTableClass::getNameField(cargoTableClass::DESCRIPCION, true));
             $ids = array(cargoTableClass::ID => $id);
             $data = array(cargoTableClass::DESCRIPCION => $descripcion);
             cargoTableClass::update($ids, $data);
         }
         routing::getInstance()->redirect('personal', 'indexCargo');
     } catch (PDOException $exc) {
         session::getInstance()->setFlash('exc', $exc);
         routing::getInstance()->forward('shfSecurity', 'exception');
     }
 }