kartik\grid\SerialColumn::init PHP Method

    public function init()
    {
        $this->parseFormat();
        $this->parseVisibility();
        parent::init();
        $this->setPageRows();
    }

 public function init()
 {
     $this->grid->formatColumn($this->hAlign, $this->vAlign, $this->noWrap, $this->width, $this->headerOptions, $this->contentOptions, $this->pageSummaryOptions, $this->footerOptions);
     parent::init();
     $this->setPageRows();
 }