public function lista_matriculados()
 {
     if (!isset($_GET['p'])) {
         $_GET['p'] = 1;
     }
     if (!isset($_GET['q'])) {
         $_GET['q'] = "";
     }
     if (!isset($_GET['criterio'])) {
         $_GET['criterio'] = "matricula_cca.idmatricula";
     }
     if (isset($_GET['a'])) {
         $obj = new matricula_cca();
         $data = array();
         $data['data'] = $obj->lista_mat($_GET['q'], $_GET['p'], $_GET['criterio']);
         $data['query'] = $_GET['q'];
         $data['pag'] = $this->Pagination(array('rows' => $data['data']['rowspag'], 'url' => 'index.php?controller=matricula_cca&action=lista_matriculados&a=b', 'query' => $_GET['q']));
         $cols = array("Id", "alumno", "comision", "proyecto", "Fecha");
         $opt = array("dni" => "DNI");
         $data['grilla_cca'] = $this->grilla_cca("matricula_cca", NULL, NULL, $cols, $data['data']['rows'], $opt, $data['pag'], false, true, false, false, false, false, false);
     } else {
         $obj = new matricula_cca();
         $data = array();
         $data['data'] = $obj->lista_mat($_GET['q'], $_GET['p'], $_GET['criterio']);
         $data['query'] = $_GET['q'];
         $data['pag'] = $this->Pagination(array('rows' => $data['data']['rowspag'], 'url' => 'index.php?controller=matricula_cca&action=lista_matriculados', 'query' => $_GET['q']));
         $cols = array("Id", "alumno", "comision", "proyecto", "Fecha");
         $opt = array("dni" => "DNI");
         $data['grilla_cca'] = $this->grilla_cca("matricula_cca", NULL, NULL, $cols, $data['data']['rows'], $opt, $data['pag'], false, false, false, false, true);
     }
     $view = new View();
     $view->setData($data);
     $view->setTemplate('../view/matricula_cca/_Index.php');
     $view->setLayout('../template/List.php');
     $view->render();
 }