DbExpressionBuilder.NewEmptyCollection(TypeUsage) Method

Reference

Definition

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

Assembly:: System.Data.Entity.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

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

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

Споделяне чрез