public function executeUpdate(sfWebRequest $request)
    {

      $this->forward404Unless($request->isMethod('post') || $request->isMethod('put'));
      $this->forward404Unless($video = VideoPeer::retrieveByPk($request->getParameter('id')), sprintf('Object video does not exist (%s).', $request->getParameter('id')));
      echo'ici';
      $this->form = new VideoForm($video);
      print_r($request->getParameterHolder->getAll());
       $this->form->bind($request->getParameter('video'));
      //      $this->processForm($request, $this->form);

      $this->setTemplate('edit');
    }