public function edit()
 {
     //var_dump($usrgrpId);die();
     if (!$this->securitypolicy->validateAccessRight(3, 'write')) {
         $this->load->view('access_denied');
     }
     $this->load->library('form_validation');
     $usergroup = new Usergroup($this->input->post('usergroup-id'));
     $this->_viewData['usrgrpDetl'] = $usergroup->getDetails();
     if ($this->form_validation->run() == false) {
         $this->_backToForm();
     } else {
         $usergroup->updateName($this->input->post('usergroup-name'));
         if (empty($usergroup->errors)) {
             $this->session->set_userdata(array('status' => 'success'));
             redirect(site_url('Admin/usergroup_manager'), 'refresh');
         } else {
             $this->_viewData['errors'] = $usergroup->errors;
             $this->_backToForm();
         }
     }
 }