DbExpressionBuilder.GetEntityRef(DbExpression) Method

Reference

Definition

Namespace:: System.Data.Common.CommandTrees.ExpressionBuilder

Assembly:: System.Data.Entity.dll

Important

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Creates a new DbEntityRefExpression that retrieves the ref of the specified entity in structural form.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbEntityRefExpression ^ GetEntityRef(System::Data::Common::CommandTrees::DbExpression ^ argument);

public static System.Data.Common.CommandTrees.DbEntityRefExpression GetEntityRef(this System.Data.Common.CommandTrees.DbExpression argument);

static member GetEntityRef : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbEntityRefExpression

<Extension()>
Public Function GetEntityRef (argument As DbExpression) As DbEntityRefExpression

Parameters

argument: DbExpression

The expression that provides the entity. This expression must have an entity result type.

Returns

DbEntityRefExpression

A new DbEntityRefExpression that retrieves a reference to the specified entity.

Exceptions

ArgumentNullException

argument is null.

ArgumentException

argument does not have an entity result type.

Applies to

Продукт	Версии
.NET Framework	4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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