Draw multiple rectangle with Itextsharp pdf C#

Question

private void PrintButton_Click(object sender, EventArgs e)
        {
            PdfPTable pdfTable = new PdfPTable(3);
            pdfTable.DefaultCell.Padding = 3;
            pdfTable.WidthPercentage = 100;
            pdfTable.HorizontalAlignment = Element.ALIGN_LEFT;
            pdfTable.DefaultCell.BorderWidth = 1;
            BaseFont bfCalibri = BaseFont.CreateFont("c:\\windows\\fonts\\calibri.ttf", BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
            iTextSharp.text.Font calibri = new iTextSharp.text.Font(bfCalibri, 12);
            iTextSharp.text.Font calibri6 = new iTextSharp.text.Font(bfCalibri, 10);

            //Adding DataRow
            foreach (DataGridViewRow row in ListDataGridView.Rows)
            {
                PdfPCell pdfCell = new PdfPCell();
                PdfPTable tmpTable = new PdfPTable(1);
                tmpTable.WidthPercentage = 100;
                PdfPCell tmpCell = new PdfPCell();
                 tmpCell.FixedHeight = 60;
                tmpCell.HorizontalAlignment = Element.ALIGN_CENTER;
                tmpCell.VerticalAlignment = Element.ALIGN_MIDDLE;
                tmpCell.BorderWidth = 1;
                //tmpTable.AddCell(tmpCell);
                tmpTable.DefaultCell.BorderWidth = 0;
                tmpTable.DefaultCell.VerticalAlignment = Element.ALIGN_TOP;
                tmpTable.DefaultCell.HorizontalAlignment = Element.ALIGN_CENTER;
                tmpTable.AddCell(new Paragraph(row.Cells[4].Value.ToString().ToUpper(), calibri));
                pdfCell.AddElement(tmpTable);
                pdfTable.AddCell(pdfCell);
            }

                     var tempFiles = new System.CodeDom.Compiler.TempFileCollection();
            {
                string file = tempFiles.AddExtension("pdf");
                using (FileStream stream = File.OpenWrite(file))
                {
                    var attributes = File.GetAttributes(file);
                    File.SetAttributes(file, attributes | FileAttributes.Temporary);
                    iTextSharp.text.Font calibriTitle = new iTextSharp.text.Font(bfCalibri, 18);
                    iTextSharp.text.Font calibriSubTitle = new iTextSharp.text.Font(bfCalibri, 14);
                    iTextSharp.text.Font calibriTextBold = new iTextSharp.text.Font(bfCalibri, 14, iTextSharp.text.Font.BOLD);
                    Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 10f);
                    PdfWriter writer = PdfWriter.GetInstance(pdfDoc, stream);
                    pdfDoc.Open();
                    pdfDoc.Add(pdfTable);
                    writer.CloseStream = false;
                    pdfDoc.Close();
                    stream.Close();
                    System.Diagnostics.Process p = System.Diagnostics.Process.Start(stream.Name);

                }
            }
        }

 Result is

 

 

 

I have 3 row in my table.

 

I need next:

1) To be just selected row on print

 

 

2) To make some textbox and put inside some number exp 6 and to be on pdf 6 selected row boxex added