export html file to pdf

Question

this code show gridview only 
how show hello.html  also in pdf



using System;

using System.Web.UI;

using System.Configuration;

using System.Data.SqlClient;

using System.IO;

using System.Web;

using iTextSharp.text;

using iTextSharp.text.pdf;

using iTextSharp.text.html.simpleparser;

using iTextSharp.text.html;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI.WebControls;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Text;

using System.IO;

public partial class _Default : System.Web.UI.Page

{

    private SqlConnection con;

    private SqlCommand com;

    private string constr, query;

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

        }

    }

    public override void VerifyRenderingInServerForm(Control control)

    {

        //required to avoid the runtime error "

        //Control 'GridView1' of type 'GridView' must be placed inside a form tag with runat=server."

    }

    //constr = ConfigurationManager.ConnectionStrings["getconn"].ToString();

    //con = new SqlConnection(constr);

    //con.Open();

    //strHtml = strHtml.Replace("\r\n", "");

    protected void Button1_Click(object sender, EventArgs e)

    {

        string strHtml = string.Empty;

        string htmlFileName = Server.MapPath("~") + "\\files\\" + "hello.html";

        FileStream fsHTMLDocument = new FileStream(htmlFileName, FileMode.Open, FileAccess.Read);

        StreamReader srHTMLDocument = new StreamReader(fsHTMLDocument);

        OpenFile(htmlFileName);

        strHtml = srHTMLDocument.ReadToEnd();

        srHTMLDocument.Close();

        string path = Server.MapPath("PDF-file");

        Response.ContentType = "application/pdf";

        string filename = Request.PhysicalApplicationPath + "content-disposition" + "attachment;filename=ProjectDetails.pdf";

        ExportGridToword(strHtml, filename);

    }

    private void ExportGridToword(string HtmlStream, string FileName)

    {

        object TargetFile = FileName;

        string ModifiedFileName = string.Empty;

        string FinalFileName = string.Empty;

        string path = Server.MapPath("PDF-file");

        Response.ContentType = "application/pdf";

        Response.Cache.SetCacheability(HttpCacheability.NoCache);

        StringWriter sw = new StringWriter();

        HtmlTextWriter hw = new HtmlTextWriter(sw);

        this.Page.RenderControl(hw);

        StringReader sr = new StringReader(sw.ToString());

        Document pdfDoc = new Document(PageSize.A4, 10f, 10f, 10f, 0f);

        HTMLWorker htmlparser = new HTMLWorker(pdfDoc);

        PdfWriter.GetInstance(pdfDoc, Response.OutputStream);

        TestPDF.HtmlToPdfBuilder builder = new TestPDF.HtmlToPdfBuilder(iTextSharp.text.PageSize.A4);

        TestPDF.HtmlPdfPage first = builder.AddPage();

        first.AppendHtml(HtmlStream);

        byte[] file = builder.RenderPdf();

        File.WriteAllBytes(TargetFile.ToString(), file);

        iTextSharp.text.pdf.PdfReader reader = new iTextSharp.text.pdf.PdfReader(TargetFile.ToString());

        ModifiedFileName = TargetFile.ToString();

        ModifiedFileName = ModifiedFileName.Insert(ModifiedFileName.Length - 4, "1");

        string password = "password";

        iTextSharp.text.pdf.PdfEncryptor.Encrypt(reader, new FileStream(ModifiedFileName, FileMode.Append), iTextSharp.text.pdf.PdfWriter.STRENGTH128BITS, password, "", iTextSharp.text.pdf.PdfWriter.AllowPrinting);

        reader.Close();

        if (File.Exists(TargetFile.ToString()))

            File.Delete(TargetFile.ToString());

        FinalFileName = ModifiedFileName.Remove(ModifiedFileName.Length - 5, 1);

        File.Copy(ModifiedFileName, FinalFileName);

        if (File.Exists(ModifiedFileName))

            File.Delete(ModifiedFileName);

        pdfDoc.Open();

        htmlparser.Parse(sr);

        //   pdfDoc.AppendHtml(HtmlStream);

        pdfDoc.Close();

        Response.Write(pdfDoc);

        Response.End();

        GridView1.AllowPaging = true;

        GridView1.DataBind();

    }

}