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La anulación de la cuadrícula del cliente de Magento _prepareCollection () no funciona
Tuve que anular el método _prepareCollection () de Mage_Adminhtml_Block_Customer_Grid y agregué las siguientes líneas ->addAttributeToSelect('cus_city') ->addAttributeToSelect('cus_country') ->addAttributeToSelect('cus_state') a: protected function _prepareCollection() { $collection = Mage::getResourceModel('customer/customer_collection') ->addNameToSelect() ->addAttributeToSelect('email') ->addAttributeToSelect('created_at') ->addAttributeToSelect('group_id') ->addAttributeToSelect('cus_city') // added ->addAttributeToSelect('cus_country') // added ->addAttributeToSelect('cus_state') // added ->joinAttribute('billing_postcode', 'customer_address/postcode', 'default_billing', null, 'left') ->joinAttribute('billing_city', 'customer_address/city', 'default_billing', null, 'left') ->joinAttribute('billing_telephone', 'customer_address/telephone', …