IsNullPredicateProducers Class

Extension methods to produce IS Null comparison predicates. Defined for various source elements, like fields, expressions...

Inheritance Hierarchy

SystemObject
SD.LLBLGen.Pro.QuerySpecIsNullPredicateProducers

Namespace: SD.LLBLGen.Pro.QuerySpec
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.6.0.0 (5.6.19.0117)

Syntax

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public static class IsNullPredicateProducers

<ExtensionAttribute>
Public NotInheritable Class IsNullPredicateProducers

Methods

	Name	Description
	IsNotNull(IEntityFieldCore)	Generates a negated FieldCompareNull predicate on the field specified.
	IsNotNull(IExpression)	Generates a negated FieldCompareNull predicate on the expression specified.
	IsNull(IEntityFieldCore)	Generates a FieldCompareNull predicate on the field specified.
	IsNull(IExpression)	Generates a FieldCompareNull predicate on the expression specified.

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Remarks

Uses adapter field instances for expression wrapping, as it doesn't matter: the expression will emitted into the output, not the field containing it.

Reference

SD.LLBLGen.Pro.QuerySpec Namespace