ASP.NET

public void generate()
{

    MemoryStream m = new MemoryStream();
    Document document = new Document(PageSize.A4, 10f, 10f, 10f, 0f);
    try
    {
        Response.ContentType = "application/pdf";

        StringWriter sw = new StringWriter();
        HtmlTextWriter htw = new HtmlTextWriter(sw);
        FormView1.RenderControl(htw);
        string html = sw.ToString() ;


        StringBuilder str = new StringBuilder();
        str.Append("<h3><b>Online Application Form Details </b></h3>");
        str.Append(html);

        PdfWriter writer = PdfWriter.GetInstance(document, m);
        writer.CloseStream = false;
        document.Open();
        document.Add(new Paragraph(str.ToString()));

    }
    catch (DocumentException ex)
    {
        Console.Error.WriteLine(ex.StackTrace);
        Console.Error.WriteLine(ex.Message);
    }
    document.Close();

    Response.OutputStream.Write(m.GetBuffer(), 0, m.GetBuffer().Length);
    Response.OutputStream.Flush();
    Response.OutputStream.Close();
    string filename = "~/Invoices/sample.pdf";
    string path = Server.MapPath(filename);
    m.WriteTo(new FileStream(@path, FileMode.Create));
    m.Close();
}

public override void VerifyRenderingInServerForm(Control control)
{

}