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I have a website built in C#.NET that tends to produce a fairly steady stream of SQL timeouts from various user controls and I want to easily pop some code in to catch all unhandled exceptions and send them to something that can log them and display a friendly message to the user.
How do I, through minimal effort, catch all unhandled exceptions?
this question seems to say it's impossible, but that doesn't make sense to me (and it's about .NET 1.1 in windows apps):
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If your application has unhandled exceptions, that may be logged in the Windows Event Viewer under the category of “Application”. This can be helpful if you can't figure out why your application suddenly crashes. Windows Event Viewer may log 2 different entries for the same exception.
C itself doesn't support exceptions but you can simulate them to a degree with setjmp and longjmp calls.
Since Exception is the base class of all exceptions, it will catch any exception.
Exception handling is used to handle the exceptions. We can use try catch block to protect the code. Catch block is used to catch all types of exception. The keyword “catch” is used to catch exceptions.
All unhandled exceptions finally passed through Application_Error in global.asax. So, to give general exception message or do logging operations, see Application_Error.
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If you need to catch exeptions in all threads the best aproach is to implement UnhandledExceptionModule and add it to you application look here for an example
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