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DbRelationshipNavigationExpression.NavigationSource Property

Definition

Gets or sets an DbExpression that specifies the starting point of the navigation and must be a reference to an entity instance.

public:
 property System::Data::Common::CommandTrees::DbExpression ^ NavigationSource { System::Data::Common::CommandTrees::DbExpression ^ get(); };
public System.Data.Common.CommandTrees.DbExpression NavigationSource { get; }
member this.NavigationSource : System.Data.Common.CommandTrees.DbExpression
Public ReadOnly Property NavigationSource As DbExpression

Property Value

An DbExpression that specifies the instance of the source relationship end from which navigation should occur.

Exceptions

The expression is null.

The expression is not associated with the command tree of the DbRelationshipNavigationExpression, or its result type is not equal or promotable to the reference type of the NavigateFrom property.

Applies to