Approaches for Error Code/Message Management in .NET

Posted by WayneC on Stack Overflow See other posts from Stack Overflow or by WayneC
Published on 2010-03-06T07:07:54Z Indexed on 2010/03/08 12:51 UTC
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Filed under:

.NET

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exception-handling

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error-handling

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n-tier

Looking for suggestions/best practices on managing error codes and messages in a multi-tiered applications. Specifically things like:

Where should error codes be defined? Enum? Class?
How are error messages or further details associated with the error codes? resource files? attributes on enum values, etc.?
If you have a multi-tier application consisting of DAL, BLL, UI, and Common projects for example, should there be a single giant list of codes for all tiers, or are the codes extensible by project/tier?

Update: Important to mention that I can't rely solely on Exceptions and custom Exception types for error reporting, as some clients for this application will be via web services (SOAP & REST)

Any suggestions welcome!

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