DataServiceKeyAttribute Class

Definition

Denotes the key property or properties of an entity.

public ref class DataServiceKeyAttribute sealed : Attribute
[System.AttributeUsage(System.AttributeTargets.Class, AllowMultiple=false)]
public sealed class DataServiceKeyAttribute : Attribute
type DataServiceKeyAttribute = class
    inherit Attribute
Public NotInheritable Class DataServiceKeyAttribute
Inherits Attribute
Inheritance
DataServiceKeyAttribute
Attributes

Remarks

You should only apply the DataServiceKeyAttribute attribute to a property that can be used to uniquely identify an instance of the entity type. This attribute is ignored when applied to a navigation property. For more information, see Reflection Provider.

Constructors

DataServiceKeyAttribute(String)

Initializes a new instance of the DataServiceKeyAttribute class.

DataServiceKeyAttribute(String[])

Initializes a new instance of the DataServiceKeyAttribute class.

Properties

KeyNames

Gets the names of key attributes.

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