SilverStripe CMS: how to make a connection in form (select list) to another DataObject/Page in has_one fashion
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28-10-2019 - |
문제
Let say I have a Event Page Object with should be connected to one Trainer. How Can I add to Event object a select list with All Trainers (Trainers are also a Page).
I Know hot to add a connection type by $has_one property, but I dont know how to popuate select with trainers objects.
해결책
$trainers = DataObject::get('Trainer');
$fields->addFieldToTab('Root.Content.Main', new DropdownField('TrainerID', 'Trainer', $trainers->map() );
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