Learning about HTTP handlers and Modules

A Brief Overview of HTTP Handlers and Modules

An HTTP handler is a class that is responsible for rendering a particular type of resource. For example, the code-behind class for an ASP.NET Web page is an HTTP handler, knowing how to render the markup for the particular Web page. It helps to think about handlers as specialized renderers that know how to create the markup for a particular type of resource.

Serving Dynamic Content with HTTP Handlers

An HTTP module is a class that can tap into the various events raised as a request passes through stages of its lifecycle on the server. One such ASP.NET application event is the Error event, which fires when an unhandled exception occurs