public function save()
 {
     $obj = new alumno();
     if ($_POST['CodigoAlumno'] == '') {
         $p = $obj->insert($_POST);
         if ($p[0]) {
             header('Location:index.php?controller=alumno');
         } else {
             $data = array();
             $view = new View();
             $data['msg'] = $p[1];
             $data['url'] = 'index.php?controller=alumno';
             $view->setData($data);
             $view->setTemplate('../view/_Error_App.php');
             $view->setLayout('../template/Layout.php');
             $view->render();
         }
     } else {
         $p = $obj->update($_POST);
         if ($p[0]) {
             header('Location: index.php?controller=alumno');
         } else {
             $data = array();
             $view = new View();
             $data['msg'] = $p[1];
             $data['url'] = 'index.php?controller=alumno';
             $view->setData($data);
             $view->setTemplate('../view/_Error_App.php');
             $view->setLayout('../template/Layout.php');
             $view->render();
         }
     }
 }
 public function editar($alumno_id)
 {
     $alumno = new Alumno();
     if (Input::haspost("alumno")) {
         $alumno_editando = new alumno(Input::post("alumno"));
         $alumno_editando->asignarIp();
         if ($alumno_editando->update()) {
             Flash::valid("Registro editado");
         } else {
             Flash::error("El registro no pudo ser editado");
         }
         Router::redirect("alumno/");
     }
     $this->alumno = $alumno->find($alumno_id);
 }