Please download iTextSharp at first from below link.
http://webscripts.softpedia.com/scriptDownload/iTextSharp--Download-31157.html
Give reference of iTextSharp dll in your program
Here is C# code to create PDF using iTextSharp
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using iTextSharp.text;
using iTextSharp.text.pdf;
using System.IO;
public partial class pdf_creation :
System.Web.UI.Page
{
protected void
Page_Load(object sender, EventArgs e)
{
Document
myDocument = new Document(PageSize.A4.Rotate());
try
{
PdfWriter.GetInstance(myDocument, new FileStream("D:\\Salman.pdf", FileMode.Create));
myDocument.Open();
myDocument.Add(new Paragraph("First Pdf
File made by Salman using iText"));
}
catch (DocumentException de)
{
Response.Write(de.Message);
}
catch (IOException ioe)
{
Response.Write(ioe.Message);
}
myDocument.Close();
}
}