How to use iTextSharp .Net Library to insert text to PDF Templates

You can use Adobe Acrobat professional to create a PDF form template. Put a TextField and give a name for that as text1.Then set the formatting.

In the c# code follow these steps

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.IO;
using System.Xml;
using System.Xml.Linq;

/* reference to the itextsharp */
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.Text;

namespace ItextSharpTut
{
public class UtilityMethod
{

public void generatePDF()
{
try
{

string pdfTemplate = System.Web.HttpContext.Current.Server.MapPath("~/doc/new.pdf");

PdfReader pdfReader = null;
// Create the form filler
FileStream pdfOutputFile = new FileStream(pdfTemplate, FileMode.Create);

string path = System.Web.HttpContext.Current.Server.MapPath("~/doc/template.pdf");
pdfReader = new PdfReader(path);

PdfStamper pdfStamper = null;

pdfStamper = new PdfStamper(pdfReader, pdfOutputFile);

// Get the form fields
AcroFields testForm = pdfStamper.AcroFields;
testForm.SetField("text1", "Lasantha");
PdfContentByte overContent = pdfStamper.GetOverContent(1);

pdfStamper.FormFlattening = true;

pdfStamper.Close();

pdfReader.Close();
}
catch (Exception ex)
{
throw ex;
}
}

}
}

Enjoy it.