Silverstripe 3 - add css class to CMS form field
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21-12-2019 - |
Question
How can I go about add a css class to the CheckboxSetField below - I've tried the setAttribute method but it has no effect (using SS 3.0):
$checkboxFieldSet = new CheckboxSetField('CampusPage', 'Campuses (select multiple)*', $campusArea->map());
Solution
$checkboxFieldSet->addExtraClass("my-class");
API Docs: http://api.silverstripe.org/3.1/class-FormField.html#_addExtraClass
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