Christopher Schultz wrote:
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Pushkar,
[EMAIL PROTECTED] wrote:
Can you please tell me whether I can validate a set of radio buttons so that
atleast one of them is checked, using the struts validation.xml? Is there a
pre-defined validator method (like required) defined for that or will I have
to write a custom validator method?
You want to look into using the "validwhen" validator, which requires
some reading. Check out this page
(http://struts.apache.org/1.3.5/faqs/validator.html) and read the
section titled "Designing Complex Validations with validwhen"
You'll want a field set up with a "validwhen" test like:
((*this* != null) or (otherField != null)) or (anotherField != null) ...
Actually, assuming it's a radion button group that maps to a single
property, you probably just need the 'required' validation to ensure
that property has a value. You should only need 'validwhen' if there are
multiple properties involved, or if you need to express complex
constraints on a single property.
L.
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