How to fix a bug in a WCF service?

Question

C++ / C#

Dear experts!
I'm trying to implement authentication in a WCF service, I encountered the fact that there is no "UserNamePasswordValidator" in "System.IdentityModel.Selectors" what to do? How to solve this error?
.net version 4.6.1, based on msdn "UserNamePasswordValidator" should be.

Answer 1

using System.IdentityModel;
https://stackoverflow.com/questions/20252742/system...