public function update()
 {
     if ($_SERVER['REQUEST_METHOD'] === 'GET' and isset($_GET['cod_depto']) and is_numeric($_GET['cod_depto'])) {
         $certificate = modelClass::certifyDepto($_GET['cod_depto']);
         if (is_array($certificate)) {
             if (count($certificate) > 0) {
                 $data = modelClass::getRow($_GET['cod_depto']);
                 if (is_array($data)) {
                     if (count($data) > 0) {
                         $args['txtCod_depto'] = $data[0]['cod_depto'];
                         $args['txtNom_depto'] = $data[0]['nom_depto'];
                     }
                 } else {
                     $args['error'] = $data;
                     viewClass::renderHTML('error.php', $args);
                 }
             }
         } else {
             $args['error'] = $certificate;
             viewClass::renderHTML('error.php', $args);
         }
         $args['formAction'] = 'index.php?action=update&cod_depto=' . $_GET['cod_depto'];
         viewClass::renderHTML('update.php', $args);
     } elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $data['cod_depto'] = $_POST['txtCod_depto'];
         $data['nom_depto'] = $_POST['txtNom_depto'];
         $rsp = modelClass::updateDepto($_GET['cod_depto'], $data);
         if ($rsp === true) {
             $args['success'] = 'Los cambios fueron realizados exitosamente';
         } else {
             $args['error'] = $rsp->getMessage();
         }
         $args['formAction'] = 'index.php?action=update&cod_depto=' . $_GET['cod_depto'];
         $args = array_merge($args, $_POST);
         viewClass::renderHTML('update.php', $args);
     } else {
         $this->index();
     }
 }