I use the membership provider to authenticate users.
<authentication mode="Forms"/>
when user logs in he is recognized as a loged in user and everything works fine.
when he has to pay by his credit card I send him to a secure page (not on my server) where he does the transaction and the response to his transaction is sent to a page on my server. this page is not on the root but in a subfolder. when I get the data of the transaction I don't get the userName so I try to use the memberShip provider to have it. I use "HttpContext.Current.User.Identity.Name" but I can't get the name.
Why?
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