ETagAttribute Class

Reference

Definition

Namespace:: System.Data.Services

Assembly:: System.Data.Services.dll

Important

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

public ref class ETagAttribute sealed : Attribute

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

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

Public NotInheritable Class ETagAttribute
Inherits Attribute

Inheritance: Object

Attribute
ETagAttribute

Attributes: AttributeUsageAttribute

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).

Constructors

ETagAttribute(String)	Initializes a new instance of the ETagAttribute class.
ETagAttribute(String[])	Initializes a new instance of the ETagAttribute class.

Properties

PropertyNames	Gets the names of properties used in the ETagAttribute.
TypeId	When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute)

Methods

Equals(Object)	Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute)
GetHashCode()	Returns the hash code for this instance. (Inherited from Attribute)
GetType()	Gets the Type of the current instance. (Inherited from Object)
IsDefaultAttribute()	When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute)
Match(Object)	When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Explicit Interface Implementations

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)	Maps a set of names to a corresponding set of dispatch identifiers. (Inherited from Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)	Retrieves the type information for an object, which can be used to get the type information for an interface. (Inherited from Attribute)
_Attribute.GetTypeInfoCount(UInt32)	Retrieves the number of type information interfaces that an object provides (either 0 or 1). (Inherited from Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)	Provides access to properties and methods exposed by an object. (Inherited from Attribute)

Applies to

Jaa