Red face ASP.NET 3.5 Enterprise Application Development ISBN 978-0-470-39686-5 : ENTMenuItemBO

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ASP.NET

I am getting an error:
The Type or namespace name 'ENTMenuItemBOList' could not be found.

I am just trying to do the example in the book.
Please Help.

File: Globals.cs

Code:

using System;
using System.Data;
using System.Configuration;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Web.Caching;
using V2.PaidTimeOffBLL.Framework;



/// <summary>
/// Summary description for Globals
/// </summary>
public static class Globals
{
    #region Constants

    private const string CACHE_KEY_MENU_ITEMS = "MenuItems";
    private const string CACHE_KEY_USERS = "Users";

    #endregion Constants

    #region Methods

    public static ENTMenuItemBOList GetMenuItems(Cache cache)
    {
        //Check if the menus have been cached.
        if (cache[CACHE_KEY_MENU_ITEMS] == null)
        {
            LoadMenuItems(cache);
        }

        return (ENTMenuItemBOList)cache[CACHE_KEY_MENU_ITEMS];
    }

    public static void LoadMenuItems(Cache cache)
    {
        ENTMenuItemBOList menuItems = new ENTMenuItemBOList();
        menuItems.Load();

        cache.Remove(CACHE_KEY_MENU_ITEMS);
        cache[CACHE_KEY_MENU_ITEMS] = menuItems;
    }

    #endregion Methods

}