Previously I was using Rewriter.net to rewrite my urls. I used a format like:

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Asked: May 16, 20262026-05-16T05:07:28+00:00 2026-05-16T05:07:28+00:00

Previously I was using Rewriter.net to rewrite my urls. I used a format like:

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Previously I was using Rewriter.net to rewrite my urls. I used a format like:

<rewrite url="~/(.*)_p(\d+).aspx\??(.*)" to="~/product.aspx?pid=$2&amp;$3"/>

So a page url would look like ~/productname_p21.aspx with an optional querystring.

I’m upgrading the application to ASP.NET 4 and I would like to use the URL routing in System.Web.Routing, so I can get rid of the 3rd party library Rewriter.net.

I came up with this:

RouteTable.Routes.MapPageRoute("product", "product/{name}/{pid}", "~/product.aspx");

That’s all fine, except for the fact that I want to put a 301 permanently moved status on the old-style URL’s. How can I accomplish this with the .NET Routing library?

Thanks