Menu: You must have SiteMap defined with key "Web" in ViewData dictionary.

[Phil]

Hi:

No question, just my solution.  The first thing to do in MVC or Asp.Net is to create your own base class.  I added an empty controller called BaseController.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Telerik.Web.Mvc;

namespace Mvc3App.Controllers
{
    public class BaseController : Controller
    {
        //
        /// <summary>
        /// Base controller constructor
        /// Handles:
        /// 1) menu and Web.sitemap configuration
        /// ...
        /// </summary>
        /// <returns>void</returns>
        public BaseController()
        {
            if (!SiteMapManager.SiteMaps.ContainsKey("Web"))
            {
                SiteMapManager.SiteMaps.Register<XmlSiteMap>("Web", sitemap => sitemap.LoadFrom("~/Web.sitemap"));
                var siteMap = SiteMapManager.SiteMaps["Web"];
                ViewData["Web"] = siteMap;
            }
        }
    }
}

Now derive from your base controller class:
  namespace Mvc3App.Controllers
  {
      public class HomeController : BaseController
      {

The above works without being on every page, but I assume that it would crash if one did not go to the home controller first.  But now one can add custom auth or logging, etc to this base page.

Phil