ReferentialConstraint Class

Reference

Definition

Namespace:: System.Data.Entity.Core.Metadata.Edm

Assembly:: EntityFramework.dll

Important

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This class represents a referential constraint between two entities specifying the "to" and "from" ends of the relationship.

public sealed class ReferentialConstraint : System.Data.Entity.Core.Metadata.Edm.MetadataItem

type ReferentialConstraint = class
    inherit MetadataItem

Public NotInheritable Class ReferentialConstraint
Inherits MetadataItem

Inheritance: Object

MetadataItem
ReferentialConstraint

Constructors

ReferentialConstraint(RelationshipEndMember, RelationshipEndMember, IEnumerable<EdmProperty>, IEnumerable<EdmProperty>)

Constructs a new constraint on the relationship

Properties

BuiltInTypeKind	Gets the built-in type kind for this ReferentialConstraint.
Documentation	Gets or sets the documentation associated with this type. (Inherited from MetadataItem)
FromProperties	Gets the list of properties for the "from role" on which this ReferentialConstraint is defined.
FromRole	Gets the "from role" that takes part in this ReferentialConstraint .
MetadataProperties	Gets the list of properties of the current type. (Inherited from MetadataItem)
ToProperties	Gets the list of properties for the "to role" on which this ReferentialConstraint is defined.
ToRole	Gets the "to role" that takes part in this ReferentialConstraint.

Methods

AddAnnotation(String, Object)	Adds or updates an annotation with the specified name and value. (Inherited from MetadataItem)
RemoveAnnotation(String)	Removes an annotation with the specified name. (Inherited from MetadataItem)
ToString()	Returns the combination of the names of the FromRole and the ToRole .

Applies to