Using Exception.Data

Question

How have you used the Exception.Data property in C# projects that you\'ve worked on?

I\'d like answers that suggest a pattern, rather than those that are very speci

Answer 1

I've used it to capture information about the state at the time of the Exception from the enclosing scope as the Exception travels up the stack. Items like the filename that caused the Exception, or the value of some ID that will help track down the problem.

At the top most level in a web application I also tend to add much of the Request information like the RawUrl, the cookies, the Referrer, ...

For more details here's my blog on the topic:

Rather than waiting for problems to happen I add this code in wherever an Exception can occur that's related to something external, e.g. a file name, or an URL that was being accessed, ... In other words, any data that will help repro the problem.