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Defining validation rules – PB Docs 125 – PowerBuilder Library

Defining validation rules – PB Docs 125

Defining validation rules

Typically, you define validation rules in the Database painter,
because validation rules are properties of the data itself. Once
defined in the Database painter, the rules are used by default each time
the column is placed in a DataWindow object. You can also define a validation
rule in the DataWindow painter that overrides the rule defined in the Database painter.


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