DataServiceKeyAttribute Class
Denotes the key property or properties of an entity.
Inheritance Hierarchy
System.Object
System.Attribute
System.Data.Services.Common.DataServiceKeyAttribute
Namespace: System.Data.Services.Common
Assembly: Microsoft.Data.Services.Client (in Microsoft.Data.Services.Client.dll)
Syntax
'Declaration
<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple := False)> _
Public NotInheritable Class DataServiceKeyAttribute _
Inherits Attribute
'Usage
Dim instance As DataServiceKeyAttribute
[AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = false)]
public sealed class DataServiceKeyAttribute : Attribute
[AttributeUsageAttribute(AttributeTargets::Class, AllowMultiple = false)]
public ref class DataServiceKeyAttribute sealed : public Attribute
[<SealedAttribute>]
[<AttributeUsageAttribute(AttributeTargets.Class, AllowMultiple = false)>]
type DataServiceKeyAttribute =
class
inherit Attribute
end
public final class DataServiceKeyAttribute extends Attribute
The DataServiceKeyAttribute type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
.gif "Public method") |
DataServiceKeyAttribute(String) | Initializes a new instance of the DataServiceKeyAttribute class. |
|
DataServiceKeyAttribute(array<String[]) | Initializes a new instance of the DataServiceKeyAttribute class. |
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Properties
| Name | Description | |
|---|---|---|
.gif "Public property") |
KeyNames | Gets the names of key attributes. |
|
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 | |
|---|---|---|
.gif "Explicit interface implemetation") .gif "Private method") |
_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
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 (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.