Purpose
Examines whether a value is empty.
Class
Type
Method
Syntax
<oDataColumn>:IsValueEmpty(<uValue>) Æ lEmpty
Arguments
<uValue> | The value to be checked. |
Data Type: | Usual |
Return Value
lEmpty | A logical value that indicates whether the value is empty. |
TRUE | The value is empty. |
FALSE | The 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:IsSuspendEmptyValues()
bDataColumn:SuspendEmptyValues
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