I'd like to do this:
Check if a user has selected at least one item in a multi select drop down.
And I'd like to use the Struts Validator for this.
I use v. 1.1 RC.
If I have an old standard Struts ActionForm bean where this drop down is implemented
as a String array, then validation 'required' works if I specify this validation rule:
<field property="interests" depends="required">
<arg0 key="validateform.interests"/>
</field>
However, if I replace the bean with a DynaValidatorForm like this:
<form-bean name="submitDynaValidateForm"
type="org.apache.struts.validator.DynaValidatorForm">
<form-property name="interests" type="java.lang.String[]"/>
</form-bean>
then it doesn't work any more. I don't get an error message telling me to pick an item
from the drop down.
In my Action class I get a zero length array, so I could validate at this spot, but of
course I'd like to validate using the validation.xml file.
Any ideas why it doesn't work - or how I could implement the validation?
/Keld
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