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

    protected function addAttributesToRender($writer)
    {
        parent::addAttributesToRender($writer);
        $border = 0;
        if ($this->getHasStyle()) {
            if ($this->getGridLines() !== TTableGridLines::None) {
                if (($border = $this->getBorderWidth()) === '') {
                    $border = 1;
                } else {
                    $border = (int) $border;
                }
            }
        }
        $writer->addAttribute('border', "{$border}");
    }