Prado\Web\UI\WebControls\TPanel::addAttributesToRender PHP Method

    protected function addAttributesToRender($writer)
    {
        parent::addAttributesToRender($writer);
        if (($butt = $this->getDefaultButton()) !== '') {
            $writer->addAttribute('id', $this->getClientID());
        }
    }

 /**
  * Adds attribute id to the renderer.
  * @param THtmlWriter the writer used for the rendering purpose
  */
 protected function addAttributesToRender($writer)
 {
     $writer->addAttribute('id', $this->getClientID());
     parent::addAttributesToRender($writer);
 }