public function indexAction()
 {
     $lecturer_id = $this->sessionGlobal->lecturer_id;
     $giangvien = new Model_Giangvien();
     $findOne = $giangvien->findOneGiangvien($lecturer_id);
     $this->view->findOne = $findOne;
     if ($this->_request->isPost()) {
         $data = $this->_getParam('searchParam');
         $giangvien->ReUpdateGiangVien($lecturer_id, $data);
         header("Refresh:0");
     }
 }