kartik\grid\DataColumn::renderDataCell PHP Method

    public function renderDataCell($model, $key, $index)
    {
        $options = $this->fetchContentOptions($model, $key, $index);
        $this->parseGrouping($options, $model, $key, $index);
        $this->parseExcelFormats($options, $model, $key, $index);
        $this->initPjax($this->_clientScript);
        return Html::tag('td', $this->renderDataCellContent($model, $key, $index), $options);
    }