Namespace for [DataContract]

Question

I can\'t find the namespace to use for [DataContract] and [DataMember] elements. According to what I\'ve found, it seems that adding the following

Answer 1

[DataContract] and [DataMember] attribute are found in System.ServiceModel namespace which is in System.ServiceModel.dll .

System.ServiceModel uses the System and System.Runtime.Serialization namespaces to serialize the datamembers.