I am working on a project and I need to include [DataMember] and [DataContract] in my code but when I do that these attributs could not be found.
Is there a "Using" or a reference that I should include for these to work?
Thanks for you help!
I am working on a project and I need to include [DataMember] and [DataContract] in my code but when I do that these attributs could not be found.
Is there a "Using" or a reference that I should include for these to work?
Thanks for you help!