The lifecycle of an ASP.NET application usually beings when a request is sent by a browser to the web server. If you are an ASP.NET developer and wants to create modules or handlers, you need to understand the HTTP Request Lifecycle in ISS. This article will give you an idea of the order of the events fired in the IIS pipeline.
In IIS 6.0, there are two request processing pipelines – One for native-code ISAPI filters and the other for managed applications, like for example ASP.NET. In IIS 7.0, there is a unified request processing pipeline for all request. The runtime is integrated with th web server and IIS is configured to work in Classic Mode instead of Integrated mode but behaves like IIS 6.
Read the rest of the article here: www.dotnetcurry.com/ShowArticle.aspx?ID=747