public function getParameter()
{
$value = $this->getValue();
if (strlen($value) > 0) {
return $value;
}
$htmlWriter = Prado::createComponent($this->GetResponse()->getHtmlWriterType(), new TTextWriter());
$this->renderControl($htmlWriter);
return $this->getTrim() ? trim($htmlWriter->flush()) : $htmlWriter->flush();
}