Prado\Web\UI\WebControls\TListControl::renderPrompt PHP Méthode

    protected function renderPrompt($writer)
    {
        $text = $this->getPromptText();
        $value = $this->getPromptValue();
        if ($value === '') {
            $value = $text;
        }
        if ($value !== '') {
            $writer->addAttribute('value', $value);
            $writer->renderBeginTag('option');
            $writer->write(THttpUtility::htmlEncode($text));
            $writer->renderEndTag();
            $writer->writeLine();
        }
    }