URL Rewriting with ASP.NET 3.5 using System.Web.Routing.UrlRoutingModule

In asp.net 2.0 we used Context.RewritePath() or other URL rewrite modules. With asp.net 3.5 its easy to do. I did it for my blog for better SEO.

• Add reference to system.Web.Routing
  Add System.Web.Routing.UrlRoutingModule http module to web.config
  Implement an IRouteHandler
  Registering routes in global.asax

I am going to rewrite blogs/Posts/{BlogPostID}/{*BlogPostTitle}

I implemented a generic IRouteHandler , it will copy url parameters( eg: BlogPostID,BlogPostTitle ) to http context item collection, so i can URL rewrite any page , without modifying IRouteHandler implementation.

using System;
using System.Web;
using System.Web.Routing;
using System.Web.Compilation;
using System.Web.UI;
public class SiteRouteHandler : IRouteHandler
{
  //30 june 2009 Priyan R

  public IHttpHandler GetHttpHandler(RequestContext requestContext)
  {
      Page page;
      page = BuildManager.CreateInstanceFromVirtualPath(PageVirtualPath, typeof(Page)) as Page;
      foreach (var item in requestContext.RouteData.Values)
      {
          HttpContext.Current.Items["qparam." + item.Key] = item.Value;
      }
     return page;
  }
  public string PageVirtualPath { get; set; }
}

In global.asax added

       
       
      routes.Add(
         "BlogPost",
            new Route("Blogs/Posts/{BlogPostID}/{*BlogPostTitle}",
                  new SiteRouteHandler() { PageVirtualPath = "~/Blogs/Details.aspx" })
         );

So in Details.aspx I can read the parameters

Context.Items["qparam.BlogPostID"].ToString()
Context.Items["qparam.BlogPostTitle"].ToString()

Check the code.

Download Code