Multiple datagrid display into one view page

Code:

$this->load->model('Merchant_model', 'Merchant_model', TRUE);

    $data['packageList'] = $this->Merchant_model->getMerchantPackages($merchant_row_id);

    $data['paymentHistory'] = $this->Merchant_model->getPaymentHistory($merchant_row_id);

        

    $this->load->view('administration/merchantDetails', $data);

Code:

function getMerchantPackages($merchant_row_id)

    {

        $sql = 'SELECT 

                pack.package_id, pack.package_name, m.subscription_type,m.subscription_date,m.completion_date,m.active_status

                FROM tbl_merchant_package_history m, tbl_package pack

                WHERE m.merchant_row_id = '.$merchant_row_id.' and pack.package_id = m.package_id';



        

        $sql = '(' . $sql . ' ) AS abc';

        

        $getInstance = & get_instance ();

        $getInstance->load->library ( 'rapyd' );

        

                $this->rapyd->load ( 'datagrid' );

        

                $grid = new DataGrid ( '', $sql );

        $grid->order_by ( 'subscription_date', 'DESC' );

        $grid->per_page = 10;

        $grid->column_orderby ( 'Package', 'package_name', 'package_name', 'align=\'center\'' );

        $grid->column ( 'Subscription Type', 'subscription_type', 'subscription_type', 'align=\'center\'' );

        $grid->column_orderby ( 'Subscription Date', 'subscription_date', 'subscription_date', 'align=\'center\'' );

        $grid->column ( 'Package completion date', 'completion_date', 'completion_date', 'align=\'center\'' );

        $grid->column ( 'Active Status', 'active_status', 'active_status', 'align=\'center\'' );

        

        $grid->build ();

        return $grid->output;

    }

    

    function getPaymentHistory($merchant_row_id)

    {

        $sql = '(SELECT ack, payment_id,error_text,date_of_transaction    

                    FROM tbl_payment_details

                    WHERE pd.merchant_row_id =' . $merchant_row_id .')as abc';



        $getInstance = & get_instance();

        $getInstance->load->library('rapyd');

        $this->rapyd->load('datagrid');



        $grid = new DataGrid('', $sql);

        $grid->per_page = 10;

        $grid->order_by ( 'payment_id', 'DESC' );

        $grid->column_orderby ('Charge Date', 'date_of_transaction', 'date_of_transaction', 'align=\'center\'');

        $grid->column ('Payment Status', 'ack', 'align=\'center\'');

        $grid->column ('Error', 'error_text', 'align=\'center\'');

        $grid->build();

        return $grid->output;

    }