private void initHeaderFooterManager(PdfWriter writer)
{
_headerFooterManager = new HeaderFooterManager
{
ColumnSummaryCellsData = ColumnSummaryCellsData,
CurrentRowInfoData = CurrentRowInfoData,
PdfRptFooter = PdfRptFooter,
PdfRptHeader = PdfRptHeader,
CacheHeader = PageSetup.PagePreferences.CacheHeader
};
_headerFooterManager.InitFooter(writer, ColumnSummaryCellsData);
}