public function render(Varien_Object $row) { if ($row->getOrderId()) { return sprintf(' <a href="%s" title="%s">%s</a>', $this->getUrl('adminhtml/sales_order/view/', array('_current' => true, 'order_id' => $row->getOrderId())), Mage::helper('catalog')->__('View Order Detail'), $row->getOrderNumber()); } else { return sprintf('%s', $row->getOrderNumber()); } }