AX / Dynamics 365 For Finance and Operations blog

This example converts a List of string into a string delimited by comma

    public static str strList2str(List _list, str _delimiter = ', ')
    {
        ListIterator    listIterator = new ListIterator(_list);
        str             result;

        while (listIterator.more())
        {
            result += listIterator.value();

            listIterator.next();

            if (listIterator.more())
            {
                result += _delimiter;
            }
        }

        return result;
    }