Resolution to the NetDataContract/SerializationException issue

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11 June 2007

I posted previouslyabout an issue where the WCF NetDataContractSerializer was unable to serialize a SecurityException object. Microsoft provided some insight.

It turns out that the constructor of the SerializationException object doesn’t set the Action property to anything valid. Before you can serialize a SerializationException with NDCS you must explicitly set the Action property to a valid SecurityAction.

This does mean that NDCS is not compatible with the BinaryFormatter in this case, but at least there’s a workaround/solution.

I’ve now updated CSLA .NET 3.0 to explicitly set the Action property any time a SecurityException is thrown, thus allowing the WCF data portal channel to return valid details about the nature of any exception.