How to trace page behind the scene?

Question

How to trace page behind the scene? And send all tracing information by email? not to show any tracing information on client side.

Answer 1

Sounds like you need to implement a custom trace listener, in this case an SMTP trace listener, a sample implementation can be found here:

http://www.codeproject.com/KB/trace/smtptracelistenerarticle.aspx

Answer 2

You could look into various logging frameworks for .NET. A popular one is log4net, which will allow you to keep track of any errors in your application and email you the logs. You can see a comparison chart of some logging frameworks here.