DbExpressionBuilder.CastTo(DbExpression, 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 DbCastExpression that applies a cast operation to a polymorphic argument.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbCastExpression ^ CastTo(System::Data::Common::CommandTrees::DbExpression ^ argument, System::Data::Metadata::Edm::TypeUsage ^ toType);

public static System.Data.Common.CommandTrees.DbCastExpression CastTo (this System.Data.Common.CommandTrees.DbExpression argument, System.Data.Metadata.Edm.TypeUsage toType);

static member CastTo : System.Data.Common.CommandTrees.DbExpression * System.Data.Metadata.Edm.TypeUsage -> System.Data.Common.CommandTrees.DbCastExpression

<Extension()>
Public Function CastTo (argument As DbExpression, toType As TypeUsage) As DbCastExpression

Parameters

argument: DbExpression

The argument to which the cast should be applied.

toType: TypeUsage

Type metadata that specifies the type to cast to.

Returns

DbCastExpression

A new DbCastExpression with the specified argument and target type.

Exceptions

ArgumentNullException

Argument or toType is null.

ArgumentException

The specified cast is not valid.

Applies to

इसके माध्यम से साझा किया गया