find which page occurs error

Hi all
I have some problem in global.asax file application_error event
I have been implemented global.asax file. In application_error event I got the actual error successfully. But i have not find the page name where the error occurred.
How can i find that page from global.asax file application_error event so i can easily solve the error.


It is very urgent.
Please give me some idea.


Thanks
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