Platform Core .NET Assemblies API
IsNullQueryFunction Constructor(QueryColumnExpression,QueryColumnExpression)
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Terrasoft.Core.DB Namespace > IsNullQueryFunction Class > IsNullQueryFunction Constructor : IsNullQueryFunction Constructor(QueryColumnExpression,QueryColumnExpression)
checkExpression
Expression to check for being equal to null.
replacementExpression
Expression returned by the function if checkExpression is equal to null.

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Initializes a new IsNullQueryFunction instance for the specified validated expression and substitute expression.

Syntax

 
C#
 
 

Parameters

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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