Use Non-default Membership Provider for WCF Authentication Service

This topic shows how to programmatically select the membership provider when you call the ASP.NET authentication service by using Windows Communication Foundation (WCF). You can use a non-default membership provider when you have to authenticate users by using different membership providers, based on information that you get at run time. To authenticate through a non-default membership provider, you create an event handler for the Authenticating event.