foreach ($search_result as $inv_reservation) {
        if (!empty(${$class}->onhand_id)) {
            $onhand_i = onhand_v::find_by_id(${$class}->onhand_id);
            ${$class}->onhand = $onhand_i->onhand;
            ${$class}->reservable_onhand = $onhand_i->reservable_onhand;
        } else {
            ${$class}->onhand = ${$class}->reservable_onhand = null;
        }
        if (!empty(${$class}->inv_serial_number_id)) {
            $inv_serial_number_i = inv_serial_number::find_by_id(${$class}->inv_serial_number_id);
            ${$class}->serial_number = $inv_serial_number_i->serial_number;
        } else {
            ${$class}->serial_number = null;
        }
        if (!empty(${$class}->inv_lot_number_id)) {
            $inv_lot_number_i = inv_lot_number::find_by_id(${$class}->inv_lot_number_id);
            ${$class}->lot_number = $inv_lot_number_i->lot_number;
        } else {
            ${$class}->lot_number = null;
        }
        ?>
         
            <tr class="inv_reservation_line<?php 
        echo $count;
        ?>
">
             <td><?php 
        $f->seq_field_d($count);
        ?>
</td>
             <td><?php