public function executeSave(sfWebRequest $request)
 {
     $this->form = new ClassListForm();
     if ($request->isMethod('post')) {
         $this->form->bind($request->getParameter('list'));
         if ($this->form->isValid()) {
             // Save list
             $list = BarbaraList::saveList($this->form->students, $this->form->getValue('list'));
             return $this->redirect('list_print', $list);
         } else {
             return $this->executeIndex($request);
         }
     }
 }