Class library can't find MembershipUser

Question

I\'ve added a class library project to my application.

In one of my classes, I need to use the MembershipUser class, but the project can\'t find it. I\'ve added referenc

Answer 1

If you are using .NET 4.0 you need to reference the System.Web.ApplicationServices.dll assembly. As always the documentation of the MembershipUser contains all the necessary information:

Namespace:  System.Web.Security
Assembly:  System.Web.ApplicationServices (in System.Web.ApplicationServices.dll)

In previous versions of the framework the MembershipUser class was located in the System.Web.dll assembly.