Episerver - Add SQL User through Aspx

Call this : Backdoor.aspx in Root folder 
Be sure to have SQL membership provider.
<%@ Page Language="C#" AutoEventWireup="true" %>
<% 

var user = Membership.CreateUser("Trump", "password123", "donald.duck@ajoke.us");
user.IsApproved = true;
Roles.CreateRole("Administrators");
Roles.AddUserToRole("Trump", "Administrators");

%>