public function action_edit($id = null)
 {
     $projecttaskname = Model_Projecttaskname::find($id);
     $val = Model_Projecttaskname::validate('edit');
     if ($val->run()) {
         $projecttaskname->name = Input::post('name');
         if ($projecttaskname->save()) {
             Session::set_flash('success', e('Updated projecttaskname #' . $id));
             Response::redirect('admin/projecttasknames');
         } else {
             Session::set_flash('error', e('Could not update projecttaskname #' . $id));
         }
     } else {
         if (Input::method() == 'POST') {
             $projecttaskname->name = $val->validated('name');
             Session::set_flash('error', $val->error());
         }
         $this->template->set_global('projecttaskname', $projecttaskname, false);
     }
     $this->template->title = "Task Types";
     $this->template->content = View::forge('admin/projecttasknames/edit');
 }