DLL iTextsharp- Used to Create PDF in ASP.NET

itextsharp.dll used to create pdf document in Dot Net.

private void CreateMyPDF()
    {
        Document doc = new Document(PageSize.A4);

        PdfWriter writer = PdfWriter.GetInstance(doc, new
        FileStream("C:\\lakhan.pdf", FileMode.Create));

        doc.Open();

        string strURL = "http://wiziq.com/index.aspx";
        Uri uri = new Uri(strURL);

        //Create the request object

        HttpWebRequest req = (HttpWebRequest)WebRequest.Create(uri);
        req.UserAgent = "Get Content";
        WebResponse resp = req.GetResponse();
        Stream stream = resp.GetResponseStream();
        StreamReader sr = new StreamReader(stream);
        string html = sr.ReadToEnd();

        ArrayList lt = iTextSharp.text.html.simpleparser.HTMLWorker.ParseToList(new StringReader(html), null);

        ColumnText ct = new ColumnText(writer.DirectContent);

        ct.SetSimpleColumn(50, 50, PageSize.A4.Width - 50, PageSize.A4.Height - 50);

        for (int k = 0; k < lt.Count; ++k) {

        ct.AddElement((IElement)lt[k]);

        }

        ct.Go();

        doc.Close();

    }