Platform Core .NET Assemblies API
EntitySchemaIsNullQueryFunction Constructor(EntitySchemaQuery,EntitySchemaQueryExpression,EntitySchemaQueryExpression)
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Terrasoft.Core.Entities Namespace > EntitySchemaIsNullQueryFunction Class > EntitySchemaIsNullQueryFunction Constructor : EntitySchemaIsNullQueryFunction Constructor(EntitySchemaQuery,EntitySchemaQueryExpression,EntitySchemaQueryExpression)
parentQuery
Query against the schema of the entity that contains the function.
checkExpression
Expression to check for being equal to null.
replacementExpression
Expression returned by the function if checkExpression is equal to null.

Glossary Item Box

Initializes a new EntitySchemaIsNullQueryFunction instance for the specified query to the object schema, validated expression and substitute expression.

Syntax

 
C#
 
 

Parameters

parentQuery
Query against the schema of the entity that contains the function.
checkExpression
Expression to check for being equal to null.
replacementExpression
Expression returned by the function if checkExpression is equal to null.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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