getting line number from exception even when debug = false?

Hello,




I'm trying to help a colleague who wants to do error handling for his ASP.NET website.



I was reading this from 15seconds.com about ASP.NET:

When an exception occurs in an application, it should be an object inherited from type System.Exception.



The inner exception property will return the line number.

Will this work even if debug = false?



Are there any tutorials or articles on the web you can direct me to that really go in depth on this?





Thanks for your help!  ...