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bDataColumn:IsValueEmpty()

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Purpose

Examines whether a value is empty.

Class

bDataColumn

Type

Method

Syntax

<oDataColumn>:IsValueEmpty(<uValue>) Æ lEmpty

Arguments

<uValue>The value to be checked.
Data Type:Usual

Return Value

lEmptyA logical value that indicates whether the value is empty.
TRUEThe value is empty.
FALSEThe value is not empty.
Data Type:Logic

Description

The method bDataColumn:IsValueEmpty() examines whether a value is empty. The following steps are executed at it:

1.The method bDataColumn:PropertyGet() is invoked with the property #EmptyValueCondition to check whether a codeblock is defined for the check on empty value.
Ü If so, the codeblock is executed and it result is returned.

2.The function Empty() is invoked and it result is returned.

 

The method bDataColumn:IsValueEmpty() is used in combination with the method bDataColumn:IsSuspendEmptyValues() to suspend empty values.

See Also

bDataColumn:ViewEmptyValuesAs

bDataColumn:IsSuspendEmptyValues()

bDataColumn:PropertyGet()

bDataColumn:SuspendEmptyValues

bDataColumn:Transform()

 


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