How can I access UserId in ASP.NET Membership without using Membership.GetUser()?

Question

How can I access UserId in ASP.NET Membership without using Membership.GetUser(username) in ASP.NET Web Application Project?

Can User

Answer 1

public string GetUserID()
            {
                MembershipUser _User;
                string _UserId = "";
                _User = Membership.GetUser();
                Guid UserId = (Guid)_User.ProviderUserKey;
                return _UserId = UserId.ToString();
            }