please help me i try to create a simple dynamic hover menu AJAX toolkit but I failure (the result is not viewed)

______this is the ascx page_______

<%@ Control Language="VB" AutoEventWireup="false" CodeFile="Test.ascx.vb" Inherits="DesktopModules_test_Test" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<style type="text/css">

.popupMenu {

position:absolute;

visibility:hidden;

background-color:#AAFFFF;

opacity:.9;

filter: alpha(opacity=90);

}

.popupHover {

background-image:url(images/header-opened.png);

background-repeat:repeat-x;

background-position:left top;

background-color:#F5F7F8;

}

</style>

<asp:Panel ID="Panel3" runat="server" Height="50px" Width="125px">

</asp:Panel>

<asp:Panel ID="Panel1" runat="server" Height="22px" Width="300px" CssClass="popupMenu">

</asp:Panel>

<asp:Panel ID="Panel2" runat="server" Height="36px" Width="648px" BackColor="PaleGreen">

</asp:Panel> 

_________this is the cede behind accosiated_________

Imports DotNetNuke

Imports System.Web.UI

Imports System.Web.UI.WebControls

Imports System.Collections.Generic

Imports System.Reflection

Imports System.Text

Imports DotNetNuke.Security.PortalSecurity

Partial Class DesktopModules_test_Test

    Inherits Entities.Modules.PortalModuleBase

    Dim menu As New AjaxControlToolkit.HoverMenuExtender()

    Dim panel As New Panel()

    Dim linkBtnChild As New LinkButton()

    Dim linkBtn As New LinkButton()

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        Try

            If DotNetNuke.Framework.AJAX.IsInstalled Then

                DotNetNuke.Framework.AJAX.RegisterScriptManager()

            End If

        Catch exc As Exception        'Module failed to load

            ProcessModuleLoadException(Me, exc)

        End Try

        'menu hover

        menu.ID = "HoverMenuExtender1"

        menu.TargetControlID = "btnProduct"

        menu.PopupControlID = "PanelPopUpProduct"

        menu.PopupPosition = AjaxControlToolkit.HoverMenuPopupPosition.Bottom

        menu.OffsetX = "6"

        menu.PopDelay = "25"

        menu.HoverCssClass = "popupHover"

        'linkBtnChild

        linkBtnChild.ID = "BtnUpdate"

        linkBtnChild.CausesValidation = "true"

        linkBtnChild.CommandName = "Update"

        linkBtnChild.Text = "Updated"

        'linkBtn

        linkBtn.ID = "btnProduct"

        Panel3.Controls.Add(menu)

        Panel1.Controls.Add(linkBtnChild)

        Panel2.Controls.Add(linkBtn)

    End Sub

End Class