ASP.NET Routing and ASP.NET MVC
.NET 3.5 SP1 introduced ASP.NET Routing. This feature is primarily used by ASP.NET MVC and Dynamic Data. Routing is actually a very simple feature; here is what it does:
Stores a list of routes.
Translates an incoming URI into lists of values and tokens, and passes those lists to the handler specified on the route. In the [...]