/**
* Returns tag content
*
* @return null|string
*/
public function getContent()
{
return $this->getDataRow() ? $this->renderCells() : parent::getContent();
}
/**
* Initializes component with grid
*
* @param Grid $grid
* @return null
*/
public function initialize(Grid $grid)
{
$this->createHeaders($grid);
parent::initialize($grid);
}