MVC–9.MVC Overall Request Flow

1. Request Pipeline

2~5 Microsoft's own verification, we generally do not.

In the global configuration file-A route filter has been configured-the route method is registered for the 7th event

1. In Application_Start, the routing data is registered to the static route table, and the routing table data is used in the 7th event method of the pipeline.

1.1. Ensure that the site first invokes the Application_Start in the Global.asax file

Routes.MapRoute(                name: "Default", URL:"{controller}/{action}/{id}", defaults:New{controller ="Students", Action= "Index", ID= Urlparameter.Optional}            );