Add user to roles

 I need to programattically put user into a role based on the view that they are looking at in the multiview.  I have three Roles set up.  Admin, Member, Temp.
         If mvMembership.ActiveViewIndex = 0 Then
            If Roles.RoleExists("Temp") Then
                Roles.AddUserToRole(CreateUserWizard1.UserName, "Temp")
            End If
        ElseIf mvMembership.ActiveViewIndex = 1 Then
            If Roles.RoleExists("Member") Then
                Roles.AddUserToRole(CreateUserWizard1.UserName, "Member&quo ...