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  • Status: Solved
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using iTextSharp to create PDF that opens in browser

I'm using Itextsharp to call a page and then create a pdf from the contents of that page. I want the file to either open in the browser or allow the user to save. The included code creates a file, but gives the following error when trying to open it.

Adobe Reader could not open '' because it is either not a supported file type or because the file has been damaged.

If I use PdfWriter.GetInstance(document, new FileStream("c:\\Application" + bb + ".pdf", FileMode.Create)); the file is created on my file system perfectly, but since the site will sit on a server, I don't want it to work that way. What can I do to fix this?

try
        {
            string bb = Request.QueryString["pid"];
            Response.ContentType = "application/pdf";
            Response.AppendHeader(
              "Content-Disposition",
              "attachment; filename=test.pdf"
            );
            using (Document document = new Document())
            {
                PdfWriter.GetInstance(document, Response.OutputStream);
                WebClient wc = new WebClient();
                string htmlText = wc.DownloadString("http://myserver/GeneratePDF/CreatePDF.aspx?pid=" + bb);
                Response.Write(htmlText.Replace("\r", "").Replace("\n", "").Replace("  ", ""));
                List<IElement> htmlarraylist = HTMLWorker.ParseToList(new StringReader(htmlText), null);
                for (int k = 0; k < htmlarraylist.Count; k++)
                {
                    document.Add((IElement)htmlarraylist[k]);
                }

            }
        }
        catch (Exception ex)
        {
            Response.Write(ex);
        }

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NickMalloy
Asked:
NickMalloy
1 Solution
 
Craig WagnerSoftware ArchitectCommented:
I've never used iTextSharp, but the documentation at this site says you need to call Close() on your document.

http://www.developerfusion.com/code/5682/create-pdf-files-on-fly-in-c/

If that doesn't solve the problem another option you might consider is rather than writing directly to Response.OutputStream you could try capturing the output into a MemoryStream and then using Response.BinaryWrite to send the file from the MemoryStream.
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