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Editorial Team
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Asked: 2026-05-23T03:06:02+00:00

I have an abstract class BaseClass with two attributes I want to share with

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I have an abstract class BaseClass with two attributes I want to share with class ClassA : BaseClass and class ClassB : BaseClass. However, I want both ClassA and ClassB to be marked with DataContractAttribute in a way that the members inherited from BaseClass are also exposed in the contract. However, I don’t want BaseClass itself to be exposed as a data contract. Is this possible in WCF (.NET 3.5)?

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1 Answer

  1. Editorial Team

    No, AFAIK that is not possible. Even if you new the properties to add data-member markers it’ll still complain:

    Type ‘BaseClass’ cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute. If the type is a collection, consider marking it with the CollectionDataContractAttribute. See the Microsoft .NET Framework documentation for other supported types.

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