DataMemberAttribute.IsRequired Property


Gets or sets a value that instructs the serialization engine that the member must be present when reading or deserializing.

 property bool IsRequired { bool get(); void set(bool value); };
public bool IsRequired { get; set; }
member this.IsRequired : bool with get, set
Public Property IsRequired As Boolean

Property Value

true, if the member is required; otherwise, false.


the member is not present.


The property is used for ensuring compatibility with future versions of a type. For more information, see Data Contract Versioning and Best Practices: Data Contract Versioning.

Applies to

See also