Save download stuff screw up client-script in frame

[Kelmen Wong]

Greeting,

We have an ASP.NET app, developed using c#. There's a feature which
a page (UserControl) when postback, it will download a PDF/Excel file
through typical Response and Content Header codings.

The web layout is designed in with frame, using client script.

Below are the tested result:

Problem:
- using IE 6, and the web layout using frame. When prompted by the
browser to save, click Save. Then either cancel and save the content
gave problem.

No-problem:
- using IE 6, and the web layout using frame. When prompted by the
browser to save, click Cancel.
- using IE 6, WITHOUT using frame in the web layout.
- using Netscape 7.1, with the web layout using frame

The exact problem is the "document" at the IE browser become
"unspecified error"!

Somehow saving the download stuff using IE6 screw up the "document"
object!

Anyone can help!