Converting aspx to pdf
I have use ItextSharp to generate pdf file from an aspx page.
But it gives me an error in an obj.Parse(se), where se is the string reader and it takes the path of:-
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
I am stuck with this problem.
Please help and give suggesstion.
Thank You
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
using System.Text.RegularExpressions;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.html;
using iTextSharp.text.xml;
using System.Xml;
using iTextSharp.text.html.simpleparser;
public partial class Pdf : System.Web.UI.Page
{
protected override void Render(HtmlTextWriter writer)
{
MemoryStream mem = new MemoryStream();
StreamWriter t开发者_StackOverflow中文版wr = new StreamWriter(mem);
HtmlTextWriter myWriter = new HtmlTextWriter(twr);
base.Render(myWriter);
myWriter.Flush();
myWriter.Dispose();
StreamReader strmRdr = new StreamReader(mem);
strmRdr.BaseStream.Position = 0;
string pageContent = strmRdr.ReadToEnd();
strmRdr.Dispose();
mem.Dispose();
writer.Write(pageContent);
CreatePDFDocument(pageContent);
}
public void CreatePDFDocument(string strHtml)
{
string strFileName = HttpContext.Current.Server.MapPath("test.pdf");
// step 1: creation of a document-object
Document document = new Document();
// step 2:
// we create a writer that listens to the document
PdfWriter.GetInstance(document, new FileStream(strFileName, FileMode.Create));
StringReader se = new StringReader(strHtml);
HTMLWorker obj = new HTMLWorker(document);
document.Open();
obj.Parse(se);
document.Close();
ShowPdf(strFileName);
}
public void ShowPdf(string strFileName)
{
Response.ClearContent();
Response.ClearHeaders();
Response.AddHeader("Content-Disposition", "inline;filename=" + strFileName);
Response.ContentType = "application/pdf";
Response.WriteFile(strFileName);
Response.Flush();
Response.Clear();
}
}
Here is an example that worked for me. There is a bit of code but it shows ways you can take advantage of things like css. Hope it helps.
private void ExportToPDF()
{
string s = "<table><td><tr>First<b>row</b></tr></td></table>";
Document document = new Document(PageSize.LETTER, 30, 30, 60, 35);
MemoryStream msReport = new MemoryStream();
string strHTMLpath = Server.MapPath("../myHTML.html");
string strPDFpath = Server.MapPath("../myPDF.pdf");
try
{
StringWriter sw = new StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
StreamWriter strWriter = new StreamWriter(strHTMLpath, false, Encoding.UTF8);
strWriter.Write(s.ToString());
strWriter.Close();
strWriter.Dispose();
iTextSharp.text.html.simpleparser.StyleSheet styles = new iTextSharp.text.html.simpleparser.StyleSheet();
styles.LoadTagStyle("ol", "leading", "16,0");
PdfWriter.GetInstance(document, new FileStream(strPDFpath, FileMode.Create));
document.Add(new Header(iTextSharp.text.html.Markup.HTML_ATTR_STYLESHEET, "Style.css"));
document.Open();
ArrayList objects;
styles.LoadTagStyle("li", "face", "garamond");
styles.LoadTagStyle("span", "size", "8px");
styles.LoadTagStyle("body", "font-family", "times new roman");
styles.LoadTagStyle("body", "font-size", "10px");
document.NewPage();
objects = iTextSharp.text.html.simpleparser.
HTMLWorker.ParseToList(new StreamReader(strHTMLpath, Encoding.Default), styles);
for (int k = 0; k < objects.Count; k++)
{
document.Add((IElement)objects[k]);
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
document.Close();
Response.Write(strPDFpath);
Response.ClearContent();
Response.ClearHeaders();
Response.AddHeader("Content-Disposition", "attachment; filename=myFileName.pdf");
Response.ContentType = "application/octet-stream";
Response.WriteFile(strPDFpath);
Response.Flush();
Response.Close();
File.Delete(strPDFpath);
}
}
加载中,请稍侯......
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