How to Fetch the Fired event name and event arguments in Global.asax or Master.cs files

Hi Guys

I am new to asp.net and c# Programming , I have a issue here.

I have created New project according to my requirement with 15 aspx pages  and now i want to trace the User Actions to maintain

the Log in DataBase For that i have to get the Event Name Fired andArguments for that event. 

I Can find the event name and its arguments in Page Level

But now i need to find it in application level.

Could any one please help me .

Thanks in Advance