public function deleteAction()
{
$datatype = Datatype\Model::fromId($this->getRouteMatch()->getParam('id', null));
if (!empty($datatype) and $datatype->delete()) {
return $this->returnJson(array('success' => true, 'message' => 'This datatype has been deleted'));
}
return $this->returnJson(array('success' => false, 'message' => 'Datatype does not exists'));
}