What is the purpose of global.asax in asp.net

Question

How can we use global.asax in asp.net? And what is that?

Answer 1

Global.asax is the asp.net application file.

It is an optional file that handles events raised by ASP.NET or by HttpModules. Mostly used for application and session start/end events and for global error handling.

When used, it should be in the root of the website.