There are two ways in which you can inject logic in the request pipeline of an ASP.NET application — HttpHandlers and HttpModules. An HttpModule is a component that is part of the ASP.NET request ...

ASP.NET is a powerful and flexible engine for processing web requests. It is a platform for building managed Web applications. The entire ASP.NET engine is completely built in managed code and all ...

When a request comes in to your ASP.NET site, it's routed through a series of message handlers (in ASP.NET Web API) or modules (in ASP.NET MVC), each of which performs some operation on the request.