如何转换成pdf:在asp.net的GridView|如何转换成pdfasp.net的GridView

using System;

using System.Data;

using System.Configuration;

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 iTextSharp.text.html;

using System.IO;

using System.Collections;

using System.Net;

 

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

{

protected void Page_Load(object sender, EventArgs e)

{

 

}

protected void btnExport_Click(object sender, EventArgs e)

{

HtmlForm form = new HtmlForm();

form.Controls.Add(GridView1);

StringWriter sw = new StringWriter();

HtmlTextWriter hTextWriter = new HtmlTextWriter(sw);

form.Controls[0].RenderControl(hTextWriter);

string html = sw.ToString();

Document Doc = new Document();

 

//PdfWriter.GetInstance

//(Doc, new FileStream(Request.PhysicalApplicationPath 

//+ "\\AmitJain.pdf", FileMode.Create));



PdfWriter.GetInstance

(Doc, new FileStream(Environment.GetFolderPath

(Environment.SpecialFolder.Desktop)

+ "\\AmitJain.pdf", FileMode.Create));

Doc.Open();

 

Chunk c = new Chunk

("Export GridView to PDF Using iTextSharp \n",

FontFactory.GetFont("Verdana", 15));

Paragraph p = new Paragraph();

p.Alignment = Element.ALIGN_CENTER;

p.Add(c);

Chunk chunk1 = new Chunk

("By Amit Jain, amit_jain_online@yahoo.com \n",

FontFactory.GetFont("Verdana", 8));

Paragraph p1 = new Paragraph();

p1.Alignment = Element.ALIGN_RIGHT;

p1.Add(chunk1);

 

Doc.Add(p);

Doc.Add(p1);

 

System.Xml.XmlTextReader xmlReader =

new System.Xml.XmlTextReader(new StringReader(html));

HtmlParser.Parse(Doc, xmlReader);

 

Doc.Close();

string Path = Environment.GetFolderPath

(Environment.SpecialFolder.Desktop)

+ "\\AmitJain.pdf";

 



ShowPdf(Path);

 



}

 

private void ShowPdf(string strS)

{

Response.ClearContent();

Response.ClearHeaders();

Response.ContentType = "application/pdf";

Response.AddHeader

("Content-Disposition","attachment; filename=" + strS);

Response.TransmitFile(strS);

Response.End();

//Response.WriteFile(strS);

Response.Flush();

Response.Clear();

 

}

 

}