Redirecting a page after a PDF download

Question

I have an aspx (say 1.aspx) page from where first I am downloading a pdf file and then I want to redirect to some Thanks.aspx page. The code is this:

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Answer 1

In HTTP, a request can only have a single response. Since the first response is the PDF file, the seconds response (i.e. the redirect) cannot be implemented.

You can try to redesign the two pages by redirecting to thanks.aspx and have thanks.aspx start the download automatically.