Working days and Calendar days counting in Dynamics ax

    WorkCalendarSched workCalendarSched;
    TransDate TransDate=today();
    TransDate start,end;
    counter workingdays;
    counter totaldays;
    WorkCalendarTable WorkCalendarTable;
    super();
    select firstOnly WorkCalendarTable;
    start =DateStartMth(TransDate);
    end = endmth(TransDate);

    workCalendarSched = new workCalendarSched();

    while(start<end)
    {

        totaldays++;

        if(workCalendarSched.isdateopen(WorkCalendarTable.CalendarId,start)==true)
        {
            workingdays++;
        }

        start++;

    }

    totaldays variable will return calendar days of current month
    workingdays variable will return workingdays of current month