Nette - Proč se neukládá session?

public function renderAdd($active = false)
    {
        $session = $this->session->getSection('mySess');
        if ($active != true) 
        {    
            $session->remove();
        }
        else 
        {
            if (isset($session)) 
            {
                $this['myForm']->setDefaults($session->form);
            }
        }
    }
     
    public function createComponentMyForm($name)
    {
        $session = $this->session->getSection("mySess");
        $rows = (isset($session->form['rows'])) ? $session->form['rows'] : 2; //default je 2
     
        $form = new Form;
        $ints = array();
        for($i = 0; $i < 10; $i++)
        {
            $ints[$i] = $i;
        }
     
        $form->addSelect('rows', "Položek faktury:", $ints)->setDefaultValue($rows);
        $form->addSubmit("submit", "Přidat položky")
            ->setValidationScope(NULL)
            ->onClick[] = callback($this, "fillTextboxs");
     
        $textboxs = $form->addContainer('textboxs');
        for($i = 1; $i <= $rows; $i++) 
        {
            $value = (isset($session->form['inp'.$i])) ? $session->form['inp'.$i] : "";
            echo "vypis value: $value<br />\n";
            $sec = $textboxs->addContainer($i);
            $sec->addText('inp'.$i, 'Input ' . $i . ':')
                ->setDefaultValue($value);
        }
     
        return $form;
    }    
     
    public function fillTextboxs(SubmitButton $button)
    {
        $session = $this->session->getSection('mySess');
        $session->form = $this['myForm']->getValues();
        $this->redirect('this', array('active' => TRUE));
    }