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DbExpressionBuilder.Constant Method

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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.

Applies to

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.

Applies to