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ForeignKeyAttribute Class
Definition
- Namespace:
- System.ComponentModel.DataAnnotations.Schema
- Assemblies:
- System.ComponentModel.Annotations.dll, System.ComponentModel.DataAnnotations.dll
- Assembly:
- System.ComponentModel.Annotations.dll
- Assembly:
- System.ComponentModel.DataAnnotations.dll
- Source:
- ForeignKeyAttribute.cs
- Source:
- ForeignKeyAttribute.cs
- Source:
- ForeignKeyAttribute.cs
- Source:
- ForeignKeyAttribute.cs
- Source:
- ForeignKeyAttribute.cs
Important
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Denotes a property used as a foreign key in a relationship.
public ref class ForeignKeyAttribute : Attribute[System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Property, AllowMultiple=false)]
public class ForeignKeyAttribute : Attribute[<System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Property, AllowMultiple=false)>]
type ForeignKeyAttribute = class
inherit AttributePublic Class ForeignKeyAttribute
Inherits Attribute- Inheritance
- Attributes
Remarks
The annotation may be placed on the foreign key property and specify the associated navigation property name, or it may be placed on a navigation property and specify the associated foreign key name.
Constructors
| Name | Description |
|---|---|
| ForeignKeyAttribute(String) |
Initializes a new instance of the ForeignKeyAttribute class. |
Properties
| Name | Description |
|---|---|
| Name |
Gets the name of the associated navigation property or of the associated foreign keys. |
| TypeId |
When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute) |
Methods
| Name | Description |
|---|---|
| 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
| Name | Description |
|---|---|
| _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
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