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

Glossary Item Box

Gets the function of substituting the null value for the replacement value for the specified expression to check and replacement expression.

Syntax

 
C#
 
 

Parameters

checkExpression
Expression to check for being equal to null.
replacementValue
Expression returned by the function if checkExpression is equal to null.

Return Value

Function that substitutes the null value in the checkExpression expression for the replacementValue expression.

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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