public function render($writer)
 {
     $this->getPage()->getClientScript()->registerPradoScript('prado');
     parent::render($writer);
 }
 /**
  * Registers css style for the highlighted result.
  * This method overrides parent implementation.
  * @param THtmlWriter writer
  */
 public function onPreRender($writer)
 {
     parent::onPreRender($writer);
     $this->registerStyleSheet();
     $this->getPage()->getClientScript()->registerPradoScript('prado');
 }