public function getinvoiceorderlistAction() { $request = $this->getRequest()->getParams(); $key = isset($request['key']) && $request['key'] != '' ? $request['key'] : null; $supplier_id = isset($request['supplier_id']) ? $request['supplier_id'] : null; $currency = isset($request['currency']) ? $request['currency'] : null; $order = new Erp_Model_Purchse_Order(); echo Zend_Json::encode($order->getInvoiceOrderItemsList($supplier_id, $currency, $key)); exit; }