C#

private void Testowe_Z_Netu_Click(object sender, EventArgs e)
        {


            MemoryStream memt4 = new MemoryStream();

            Document doc4 = new Document(iTextSharp.text.PageSize.A4, 80, 80, 42, 35);
            doc4.SetPageSize(iTextSharp.text.PageSize.A4.Rotate());
            PdfWriter wrik4 = PdfWriter.GetInstance(doc4, memt4); //Utworzenie pliku pdf w pamięci
            var ft4 = FontFactory.GetFont("Times New Roman", 9, BaseColor.RED);
            var gt4 = FontFactory.GetFont("Times New Roman", 12, BaseColor.BLACK);
            var NaFirt4 = FontFactory.GetFont("Calibri", 12, BaseColor.DARK_GRAY);
            var NaFirBot4 = FontFactory.GetFont("Calibri", 12, BaseColor.DARK_GRAY);
            doc4.Open();

            PdfContentByte cbt4 = wrik4.DirectContent;


            PdfPTable tabled4 = new PdfPTable(1) { WidthPercentage = 100, RunDirection = PdfWriter.RUN_DIRECTION_LTR, ExtendLastRow = false };
            tabled4.TotalWidth = 600f;
            tabled4.DefaultCell.UseAscender = true;
            tabled4.DefaultCell.UseDescender = true;

            PdfContentByte ct4 = wrik4.DirectContent;
            tabled4.HeaderRows = 1;
            PdfPCell ceko = new PdfPCell(new Phrase("Naglówek"));
            ceko.VerticalAlignment = Element.ALIGN_CENTER;
            ceko.HorizontalAlignment = Element.ALIGN_CENTER;
            ceko.BorderWidth = 2;
            ceko.BorderColor = new BaseColor(Color.Red);
            tabled4.AddCell(ceko);
            tabled4.SplitLate = false;
            tabled4.SplitRows = true;
            for (int j = 0; j < 300; j++)
            {
                PdfPCell cek4 = new PdfPCell(new Phrase(String.Format("{0}", j)));

                tabled4.AddCell(cek4);
            }
            int pageRows4 = 0;
            while (pageRows4 < tabled4.Rows.Count + 20)
            {
                
                tabled4.HeaderRows = 1;
                tabled4.HorizontalAlignment = Element.ALIGN_TOP;
                tabled4.WriteSelectedRows(pageRows4, pageRows4 + 21, 200, 500, ct4);
                pageRows4 = pageRows4 + 21;
                // cbt3.EndText();
                doc4.NewPage();
            }    
            doc4.Close();
            wrik4.Close();

            PdfReader readt4 = new PdfReader(memt4.ToArray());
            PdfStamper stampt4 = new PdfStamper(readt4, new FileStream(Konfi.Rpath + "Test_4 " + Konfi.RfileName + ".pdf", FileMode.Create, FileAccess.Write, FileShare.None));
            stampt4.FormFlattening = true;
            stampt4.Close();



        }