public function create()
 {
     $template = 'create.php';
     if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $anwr = modelClass::newFicha($_POST['txtNum'], $_POST['txtPrograma'], $_POST['txtIni'], $_POST['txtFin'], $_POST['txtCentro']);
         if ($anwr === true) {
             $args['success'] = 'Su registro ha sido exitoso!';
             $this->index($args);
         } else {
             $args['error'] = $anwr->getMessage();
             $args['formAction'] = 'index.php?action=create';
             $args = array_merge($args, $_POST);
             viewClass::renderHTML($template, $args);
         }
     } else {
         $args['formAction'] = 'index.php?action=create';
         viewClass::renderHTML($template, $args);
     }
 }