http://msdn.microsoft.com/en-us/library/yh26yfzy.aspx
After a user has been authenticated, the membership system makes
available an object that contains information about the current user.
For example, you can get properties of the membership user object to
determine the user's name and e-mail address, when the user last logged
into your application, and so on.
What does it mean by "makes available"? Makes available from where?
I have a webservice that I'm calling into and, depending on the input, I'd like to choose between two different MembershipProviders. The problem is I see no way to set the current MembershipUser that's being constructed on each call. At logon I'd like to validate against the correct MembershipProvider, grab the MembershipUser from said MembershipProvider, then do whatever needs to be done to cause the Membership system to reconstruct that particular Me ...
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