pdfgrid only border outside

I will create a Table in a PDF with Borders only outside

  PdfGrid  tabelle = new PdfGrid();
            tabelle.Style.BorderOverlapStyle = PdfBorders
            PdfGridRow row1 = tabelle.Rows.Add();
            PdfGridRow row2 = tabelle.Rows.Add();

            tabelle.Columns.Add(1);
            PdfGridCellStyle pdfGridCellStyle = new PdfGridCellStyle();
                      
            //pdfGridCellStyle.Borders.Top = PdfPens.Black;
            //pdfGridCellStyle.Borders.Bottom = PdfPens.transparent;
            PdfGridCell pdfGridCell = tabelle.Rows[0].Cells[0];
            pdfGridCell.Style = pdfGridCellStyle;
            pdfGridCellStyle.Borders.Top = PdfPens.transparent;
            pdfGridCellStyle.Borders.Bottom = PdfPens.black;
             pdfGridCell = tabelle.Rows[1].Cells[0];
            pdfGridCell.Style = pdfGridCellStyle;

tabelle.Draw(page, new PointF(x, y+20));

Hi Judith,  

Thank you for contacting Syncfusion support.  

We can achieve your requirement by hiding some borders of PdfGridCell with use of PdfCellStyle. Please refer the below code snippet for more details,  

We have created the sample to achieve your requirement. Please find the same from below, 

Sample: https://www.syncfusion.com/downloads/support/forum/150401/ze/TableSample106958411  

Output document: https://www.syncfusion.com/downloads/support/forum/150401/pd/Table1245688116  

Please try the sample in your end and let us know if you need any further assistance on this.  

Regards, 

Sowmiya Loganathan