How to fix error: The message received from the server could not be parsed

Question

We have a Sharepoint solution that uses AJAX. The button that triggers this is inside an update panel.

One of the things that we do is generate a MS Word document, t

Answer 1

On your button click, redirect to another page that can stream any files that you might want to do this type of thing with. We use a document.aspx page in many of our sites and then pass a document id via querystring and stream the file from there.

In your example, you're basically trying to change the headers for a page that's already been displayed which isn't allowed