in AdventureWorksMVC/Helpers/WebResource.cs [12:17]
public static string WebResource(this UrlHelper urlHelper, Type type, string resourcePath)
{
//Create page in order to use ClientScript. Razor Views do no have access to Page otherwise this could be done in the View itself.
var page = new Page();
return page.ClientScript.GetWebResourceUrl(type, resourcePath);
}