Firefox sporadically displays file stream instead of document

Question

When a user requests to download a document, I write a PDF file to HttpResponse using the HttpResponse.OutputStream.Write method. It works in every browser except Firefox (3.5.8). Firefox sometimes displays a file, and sometimes it displays the actual stream of bytes. When it displays a stream of bytes, the HTTP response never ends. I see the status "data transfer", and the byte stream ends with EOF. After a while, I get a "reset" window.

alt text http://img31.imageshack.us/img31/7907/displaybytes.png alt text http://img193.imageshack.us/img193/7246/displayendofstream.png alt text http://img211.imageshack.us/ img211 / 1774 / timeout.png

Here is the response header:

HTTP/1.1 200 OK
Cache-Control: no-cache
Pragma: no-cache
Content-Length: 103185
Content-Type: application/pdf
Expires: -1
Server: Microsoft-IIS/7.0
X-AspNet-Version: 2.0.50727
Content-Description: stuff.pdf
Content-Disposition: inline;filename="stuff.pdf"
X-Powered-By: ASP.NET
Date: Mon, 22 Feb 2010 16:15:38 GMT

Answer 1

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