How do I Assign role to new user with asp.net 2.0 CreateUserWizard

I am trying to assign a role to my users when they signup. Im using the asp.net 2.0 CreateUserWizard.  It create the user, but does not assign the role.  Below is what i have for code.  Can some one show me what Im doing wrong?

Thanks for any help.

Code behind page:

protected void Page_Load(object sender, EventArgs e)
    {
 
    }
        protected void CreateUserWizard1_CreatedUser(
    object sender, EventArgs e)
    {  
         Roles.AddUserToRole(CreateUserWizard1.UserName, "Admin");
    }


html page:
<asp:CreateUserWizard ID="CreateUserWizard1" runat="server"
            Height="195px" Width="367px">
            <WizardSteps>
                <asp:CreateUserWizardStep runat="server" />
                <asp:CompleteWizardStep runat="server" />
            </WizardSteps>
        </asp:CreateUserWizard>