DbExpressionBuilder.Constant Method

Definition

Namespace:

System.Data.Common.CommandTrees.ExpressionBuilder

Assembly:

System.Data.Entity.dll

Creates a new DbConstantExpression.

Overloads

Constant(TypeUsage, Object)	Creates a new DbConstantExpression of the specified primitive type with the given constant value.
Constant(Object)	Creates a new DbConstantExpression with the given constant value.

Constant(TypeUsage, Object)

Creates a new DbConstantExpression of the specified primitive type with the given constant value.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Data::Common::CommandTrees::DbConstantExpression ^ Constant(System::Data::Metadata::Edm::TypeUsage ^ constantType, System::Object ^ value);

public static System.Data.Common.CommandTrees.DbConstantExpression Constant (this System.Data.Metadata.Edm.TypeUsage constantType, object value);

static member Constant : System.Data.Metadata.Edm.TypeUsage * obj -> System.Data.Common.CommandTrees.DbConstantExpression

<Extension()>
Public Function Constant (constantType As TypeUsage, value As Object) As DbConstantExpression

Parameters

constantType

TypeUsage

The type of the constant value.

value

Object

The constant value to represent.

Returns

DbConstantExpression

A new DbConstantExpression with the given value and a result type of constantType.

Exceptions

ArgumentNullException

value or constantType is null.

ArgumentException

value is not an instance of a valid constant type, constantType does not represent a primitive type, or value is of a different primitive type than that represented by constantType.

Constant(Object)

Creates a new DbConstantExpression with the given constant value.

public:
 static System::Data::Common::CommandTrees::DbConstantExpression ^ Constant(System::Object ^ value);

public static System.Data.Common.CommandTrees.DbConstantExpression Constant (object value);

static member Constant : obj -> System.Data.Common.CommandTrees.DbConstantExpression

Public Function Constant (value As Object) As DbConstantExpression

Parameters

value

Object

The constant value to represent.

Returns

DbConstantExpression

A new DbConstantExpression with the given value.

Exceptions

ArgumentNullException

value is null.

ArgumentException

value is not an instance of a valid constant type.