EntityRef<TEntity> Structure

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Provides for deferred loading and relationship maintenance for the singleton side of a one-to-many relationship in a LINQ to SQL application.

Namespace:  System.Data.Linq
Assembly:  System.Data.Linq (in System.Data.Linq.dll)

Syntax

'Declaration
Public Structure EntityRef(Of TEntity As Class)

public struct EntityRef<TEntity>
where TEntity : class

Type Parameters

• TEntity
  The type of the target entity.

The EntityRef<TEntity> type exposes the following members.

Constructors

	Name	Description
	EntityRef<TEntity>(TEntity)	Initializes a new instance of the EntityRef<TEntity> class by specifying the target entity.
	EntityRef<TEntity>(EntityRef<TEntity>)	Initializes a new instance of the EntityRef<TEntity> class by referencing the target entity.
	EntityRef<TEntity>(IEnumerable<TEntity>)	Initializes a new instance of the EntityRef<TEntity> class by specifying the source.

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Properties

	Name	Description
	Entity	Gets or sets the target entity.
	HasLoadedOrAssignedValue	Gets a value that indicates whether the target has been loaded or assigned.

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Methods

	Name	Description
	Equals	Indicates whether this instance and a specified object are equal. (Inherited from ValueType.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Returns the hash code for this instance. (Inherited from ValueType.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns the fully qualified type name of this instance. (Inherited from ValueType.)

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Remarks

This class is used in combination with EntitySet<TEntity>.

Topic	Location
How to: Map Database Relationships (LINQ to SQL)	LINQ to SQL
Object States and Change-Tracking (LINQ to SQL)	LINQ to SQL
How to: Map Database Relationships (LINQ to SQL)	LINQ to SQL
Object States and Change-Tracking (LINQ to SQL)	LINQ to SQL

Version Information

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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.

See Also

Reference

System.Data.Linq Namespace