What are different application level events?

Answer:

Application_Start: It occurs when the user visits a page within your Web application.

Application_End: It occurs when there are no users of that application.

Application_BeginRequest: It occurs at the beginning of each request to the server. A request begins when a user navigates to some pages in the application.

Application_EndRequest: It occurs at the end of each request to the server.

Session_Start: It occurs when a new user visit a page within the application.

Session_End: It occurs when a user stops requesting to the pages in Web application and their sessions time out. It specifies the period mentioned in Web.config file.

Application_Error: It occurs when there is an unhandled exception in application.