How can I ignore a property when serializing using the DataContractSerializer

Question

I am using  NET 3 5SP1 and DataContractSerializer to serialize a class   In SP1  they changed the behavior so that you don t have to include DataContract DataMember attributes on the class and it will just serialize the entire thing   This is the behavior I am using  but now I need to ignore one property from the serializer   I know that one way to do this is to add the DataContract attribute to the class  and just put the DataMember attribute on all of the members that I want to include   I have reasons  though  that this will not work for me  So my question is  is there an attribute or something I can use to make the DataContractSerializer ignore a property

User · Answer

In XML Serializing  you can use the  XmlIgnore  attribute  System Xml Serialization XmlIgnoreAttribute  to ignore a property when serializing a class   This may be of use to you  Or it just may be of use to anyone who found this question when attempting to find out how to ignore a property when Serializing in XML  as I was

User · Answer

What you are saying is in conflict with what it says in the MSDN library at this location   http   msdn microsoft com en-us library system runtime serialization datacontractserializer aspx  I don t see any mention of the SP1 feature you mention

User · Answer

Additionally  DataContractSerializer will serialize items marked as  Serializable  and will also serialize unmarked types in  NET 3 5 SP1 and later  to allow support for serializing anonymous types   So  it depends on how you ve decorated your class as to how to keep a member from serializing    If you used  DataContract   then remove the  DataMember  for the property  If you used  Serializable   then add  NonSerialized  in front of the field for the property  If you haven t decorated your class  then you should add  IgnoreDataMember  to the property

User · Answer

Try marking the field with  NonSerialized    attribute  This will tell the serializer to ignore the field   https   msdn microsoft com en-us library system nonserializedattribute v vs 110  aspx

User · Answer

You might be looking for IgnoreDataMemberAttribute

[c#] How can I ignore a property when serializing using the DataContractSerializer?

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