DbExpressionBuilder.NewEmptyCollection(TypeUsage) Method

Reference

Definition

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

Assembly:: System.Data.Entity.dll

Important

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Creates a new DbNewInstanceExpression that constructs an empty collection of the specified collection type.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbNewInstanceExpression ^ NewEmptyCollection(System::Data::Metadata::Edm::TypeUsage ^ collectionType);

public static System.Data.Common.CommandTrees.DbNewInstanceExpression NewEmptyCollection(this System.Data.Metadata.Edm.TypeUsage collectionType);

static member NewEmptyCollection : System.Data.Metadata.Edm.TypeUsage -> System.Data.Common.CommandTrees.DbNewInstanceExpression

<Extension()>
Public Function NewEmptyCollection (collectionType As TypeUsage) As DbNewInstanceExpression

Parameters

collectionType: TypeUsage

The type metadata for the collection to create.

Returns

DbNewInstanceExpression

A new DbNewInstanceExpression with the specified collection type and an empty arguments list.

Exceptions

ArgumentNullException

collectionType is null.

ArgumentException

collectionType is not a collection type.

Applies to

ผลิตภัณฑ์	เวอร์ชัน
.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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