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

DataContractAttribute Class is in the System.Runtime.Serialization namespace.

You should add a reference to System.Runtime.Serialization.dll. That assembly isn't referenced by default though. To add the reference to your project you have to go to References -> Add Reference in the Solution Explorer and add an assembly reference manually.