>Thow/catch are specifically designed to handle errors. Returning bool to indicate success/failure is considered bad in .Net. You can fix it now while it's cheap to fix or fix it later when it will be expensive.
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In the code we do have try / catch. In the catch section we set status code and message to return. The question is - how the caller should know if the command was successful or not? We don't want to pass the exception all the way up.