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Asked: 2026-06-10T02:52:50+00:00

I have a class generated by Linq2Sql: public partial class BuyerOrder : INotifyPropertyChanging, INotifyPropertyChanged

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I have a class generated by Linq2Sql:

public partial class BuyerOrder : INotifyPropertyChanging, INotifyPropertyChanged

I want to clone object of this class, like it’s done in this post. For this purpose I define the partial class in not generated file, which I mark as serializable:

[Serializable]
public partial class BuyerOrder

But when I’m calling

formatter.Serialize(stream, source);

I’m getting an exception, saying that this class is not marked as serializable. What am I doing wrong?

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1 Answer

  1. Editorial Team

    If you want to serialize a LINQ-to-SQL type, then tell the code-gen to emit serializable data. You can do this in the DBML, or more simply in the designer – just set the serialization mode to unidirectional (this is the @Serialization attribute on the root <Database> element in the DBML).

    This will generate attribute markers suitable for use with DataContractSerializer; LINQ-to-SQL is designed to be serializable with DataContractSerializer. It is not designed to be serializable with BinaryFormatter.

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