DbExpressionBuilder.Deref(DbExpression) Method

Reference

Definition

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

Assembly:: System.Data.Entity.dll

Important

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Creates a new DbDerefExpression that retrieves a specific Entity given a reference expression.

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

public static System.Data.Common.CommandTrees.DbDerefExpression Deref(this System.Data.Common.CommandTrees.DbExpression argument);

static member Deref : System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbDerefExpression

<Extension()>
Public Function Deref (argument As DbExpression) As DbDerefExpression

Parameters

argument: DbExpression

An DbExpression that provides the reference. This expression must have a reference Type.

Returns

DbDerefExpression

A new DbDerefExpression that retrieves the specified Entity.

Exceptions

ArgumentNullException

argument is null.

ArgumentException

argument does not have a reference result type.

Applies to

Product	Versions
.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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