PdfRpt.HeaderTemplates.DefaultHeaderProvider.RenderingGroupHeader C# (CSharp) Method

        public PdfGrid RenderingGroupHeader(Document pdfDoc, PdfWriter pdfWriter, IList<CellData> newGroupInfo, IList<SummaryCellData> summaryData)
        {
            if (GroupHeaderCells == null) return null;

            var cells = GroupHeaderCells(newGroupInfo, summaryData);
            foreach (var cell in cells)
            {
                if (cell == null || cell.BasicProperties == null) continue;
                if (cell.BasicProperties.PdfFont == null)
                    cell.BasicProperties.PdfFont = PdfFont;
            }

            return TableHelper.SimpleTable(
                columnsNumber: GroupHeaderColumnsNumber,
                pdfCellAttributesList: cells,
                nullRowBackgroundColor: BaseColor.WHITE
                );
        }