One of the biggest benefits that you have with ASP.NET Web API is that it gives 100% transparency of the source code because it is open source. You can easily enlist in the code repository and add the symbol path based on instructions at the CodePlex site , then off you go, you can debug the Web API code as if you were the original code author. Now if you are like me, who like to put a few breakpoints in the source code before hitting F5, you will need to understand the OData stack a little better. If everything goes expected, you might not need those breakpoints. But if anything goes wrong, such as getting a 500 or 400 error, or even a closed connection, understanding the message flow and stopping at the right breakpoints will be very useful...(read more) ...
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