IsNullPredicateProducers.IsNull Method (IExpression)

IsNullPredicateProducersIsNull Method (IExpression)

Generates a FieldCompareNull predicate on the expression specified.

Namespace: SD.LLBLGen.Pro.QuerySpec
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.1.0.0 (5.1.0)

Syntax

Copy

public static IPredicate IsNull(
	this IExpression expression
)

<ExtensionAttribute>
Public Shared Function IsNull ( 
	expression As IExpression
) As IPredicate

Parameters

expression: Type: SD.LLBLGen.Pro.ORMSupportClassesIExpression
The expression.

Return Value

Type: IPredicate

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IExpression. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

IsNullPredicateProducers Class

IsNull Overload

SD.LLBLGen.Pro.QuerySpec Namespace