ETagAttribute Class

Article
05/29/2013

This attribute on an entity type is used to specify the properties that determine changes in content.

Inheritance Hierarchy

System.Object
System.Attribute
System.Data.Services.ETagAttribute

Namespace: System.Data.Services
Assembly: Microsoft.Data.Services (in Microsoft.Data.Services.dll)

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple := False, Inherited := True)> _
Public NotInheritable Class ETagAttribute _
    Inherits Attribute
'Usage
Dim instance As ETagAttribute

[AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = false, Inherited = true)]
public sealed class ETagAttribute : Attribute

[AttributeUsageAttribute(AttributeTargets::Class, AllowMultiple = false, Inherited = true)]
public ref class ETagAttribute sealed : public Attribute

[<SealedAttribute>]
[<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = false, Inherited = true)>]
type ETagAttribute =  
    class 
        inherit Attribute 
    end

public final class ETagAttribute extends Attribute

The ETagAttribute type exposes the following members.

Constructors

	Name	Description
	ETagAttribute(String)	Initializes a new instance of the ETagAttribute class.
	ETagAttribute(array<String[])	Initializes a new instance of the ETagAttribute class.

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Properties

	Name	Description
	PropertyNames	Gets the names of properties used in the ETagAttribute.
	TypeId	(Inherited from Attribute.)

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Methods

	Name	Description
	Equals	(Inherited from Attribute.)
	GetHashCode	(Inherited from Attribute.)
	GetType	(Inherited from Object.)
	IsDefaultAttribute	(Inherited from Attribute.)
	Match	(Inherited from Attribute.)
	ToString	(Inherited from Object.)

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Explicit Interface Implementations

	Name	Description
	_Attribute.GetIDsOfNames	(Inherited from Attribute.)
	_Attribute.GetTypeInfo	(Inherited from Attribute.)
	_Attribute.GetTypeInfoCount	(Inherited from Attribute.)
	_Attribute.Invoke	(Inherited from Attribute.)

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Remarks

Optimistic concurrency checks are enabled on a per type basis in WCF Data Services. For more information, see Making Changes to Data (WCF Data Services).

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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