How do I remove a page from the browser history?

Question

I have an have an ASP.Net page which contains a button. This Page contains a ServerSide Paypal button.

When pushed my server does various clever things on the back end a

Answer 1

Perhaps you could set a cookie before submitting the form.

When the page is loaded, check for the existence of that cookie (meaning the form was already submitted). If found, instead of automatically submitting the form, automatically go back (window.history.back()) again.