How Do I Print My Invoice As A Pdf Using Mvc 5?

public FileStreamResult PrintPdf(int id)
        {


            // Set up the document and the MS to write it to and create the PDF writer instance
            var ms = new MemoryStream();
            var document = new Document(PageSize.A4, 0, 0, 0, 0);
            PdfWriter writer = PdfWriter.GetInstance(document, ms);
            //var obj = new simphiwe();
            var obj = new DataContext();

            // Open the PDF document
            document.Open();

            // Set up fonts used in the document
            Font font_heading_3 = FontFactory.GetFont(FontFactory.TIMES_ROMAN, 12, Font.BOLD, BaseColor.RED);
            Font font_body = FontFactory.GetFont(FontFactory.TIMES_ROMAN, 9, BaseColor.BLUE);

            // Create the heading paragraph with the headig font
            Paragraph paragraph;
            paragraph = new Paragraph("Fuze Events Managers", font_heading_3);
            Paragraph paraslip;
            paraslip = new Paragraph("**********************Invoice Details***********************");

            // Add image to pdf    
            // Create the heading paragraph with the headig font
            var info = from x in obj.Payments
                       where x.PayId == (id)
                       select x;

            foreach (var q in info)
            {
                //paragraph;
                // Add a horizontal line below the headig text and add it to the paragraph
                iTextSharp.text.pdf.draw.VerticalPositionMark seperator = new iTextSharp.text.pdf.draw.LineSeparator();
                seperator.Offset = -6f;

                var table1 = new PdfPTable(1);
                var table = new PdfPTable(1);
                var table3 = new PdfPTable(1);
                var table7 = new PdfPTable(1);

                table.WidthPercentage = 80;
                table3.SetWidths(new float[] { 100 });
                table3.WidthPercentage = 80;
                table7.SetWidths(new float[] { 100 });
                table7.WidthPercentage = 80;
                var cell = new PdfPCell(new Phrase(""));
                cell.Colspan = 3;
                table1.AddCell(cell);
                table7.AddCell("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" + "Fuze Events Managers" + "\n\n" +
                  "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" + "**********************Fuze Events Managerst***********************");


                table.AddCell("Payment Id: " + q.PayId);
                table.AddCell("Name   : " + q.ClientName);
                table.AddCell("Payment Type : " + q.PaymentType);
                table.AddCell("Event Type         : " + q.EventType);
                table.AddCell("Eevnt Start Date: " + q.StartDate);
                table.AddCell("End Date:       :" + q.EndDate);
                table.AddCell("Amount Deposited : " + q.AmountDeposited);
                table.AddCell("Balance    : " + q.AmountOwing);
                


                table.AddCell("Date Issued : " + DateTime.Today.Day + "/" + DateTime.Today.Month + "/" + DateTime.Today.Year);
                table.AddCell(cell);
                document.Add(table3);
                document.Add(table7);
                document.Add(table1);
                document.Add(table);
                document.Close();
            }
            byte[] file = ms.ToArray();
            var output = new MemoryStream();
            output.Write(file, 0, file.Length);
            output.Position = 0;
            var f = new FileStreamResult(output, "application/pdf");
            return f; //File(output, "application/pdf"); //new FileStreamResult(output, "application/pdf");
        }