user is not logged in after completing "Create user Wizard) ??

hi,

After user has create user wizard, i redirect them to default.aspx -  but the user is NOT logged in and this is not what I want.

code behind

    protected void CreateUserWizard1_CreatedUser(object sender, EventArgs e)
    {

    Response.Redirect("default.aspx");

wizard control

        <asp:CreateUserWizard ID="CreateUserWizard1" runat="server"
            LoginCreatedUser="True" oncreateduser="CreateUserWizard1_CreatedUser"
           DisableCreatedUser="False">
            <WizardSteps>
                <asp:CreateUserWizardStep ID="CreateUserWizardStep1" runat="server">
                    <ContentTemplate>

thank you for any examples