//Controller Name=News

Home
News
     first     //id=1
     second   //id=2
     third   // id=3
About


<mvcSiteMapNode title="Home" controller="Home" action="Index">
<mvcSiteMapNode  title="News" controller="News" action="Index" key="News">
</mvcSiteMapNode>
<mvcSiteMapNode title="About" controller="About" action="Index"/>

[MvcSiteMapNode(Title = "News", ParentKey = "News")]
    public ActionResult News(int id)
    {
        ViewBag.id = id;
        return View();
    }

<mvcSiteMapNode title="News" controller="News" action="News" preservedRouteParameters="id"/>

[MvcSiteMapNode(Title = "News", ParentKey = "News", PreservedRouteParameters = "id")]
public ActionResult News(int id)
{
    ViewBag.id = id;
    return View();
}

<mvcSiteMapNode title="Article 1" controller="News" action="News" id="1"/>
<mvcSiteMapNode title="Article 2" controller="News" action="News" id="2"/>
<mvcSiteMapNode title="Article 3" controller="News" action="News" id="3"/>

[MvcSiteMapNode(Title = "Article 1", ParentKey = "News", Attributes = @"{ ""id"": 1 }")]
[MvcSiteMapNode(Title = "Article 2", ParentKey = "News", Attributes = @"{ ""id"": 2 }")]
[MvcSiteMapNode(Title = "Article 3", ParentKey = "News", Attributes = @"{ ""id"": 3 }")]
public ActionResult News(int id)
{
    ViewBag.id = id;
    return View();
}

<mvcSiteMapNode  title="News" controller="News" action="Index" key="News">
    // Setup definition node in XML (won't be in the SiteMap)
    // Any attributes you put here will be the defaults in the dynamic node provider, but can be overridden there.
    <mvcSiteMapNode dynamicNodeProvider="MyNamespace.NewsDynamicNodeProvider, MyAssembly" controller="News" action="News"/>
</mvcSiteMapNode>

// Setup definition node as a .NET Attribute (won't be in the SiteMap)
// Any properties you put here will be the defaults in the dynamic node provider, but can be overridden there.
[MvcSiteMapNode(DynamicNodeProvider = "MyNamespace.NewsDynamicNodeProvider, MyAssembly")]
public ActionResult News(int id)
{
    ViewBag.id = id;
    return View();
}

public class NewsDynamicNodeProvider
    : DynamicNodeProviderBase
{
    public override IEnumerable<DynamicNode> GetDynamicNodeCollection(ISiteMapNode node)
    {
        using (var db = new EnityContext())
        {
            // Create a node for each news article
            foreach (var news in db.News)
            {
                var dynamicNode = new DynamicNode();
                dynamicNode.Title = news.Title;
                dynamicNode.ParentKey = "News";
                dynamicNode.RouteValues.Add("id", news.Id);

                yield return dynamicNode;
            }
        }
    }
}