Counting regular working days in a given period of time

Question

need some help. I need to count regular working days for a given date period, for example, in our country, we have 5 regular working days monday to friday, then in code i ne

Answer 1

You could do it with a time line helper class - this class also allows for other intervals:

public class TimeLine
{
    public static IEnumerable CreateTimeLine(DateTime start, TimeSpan interval) {
        return TimeLine.CreateTimeLine(start, interval, DateTime.MaxValue);
    }

    public static IEnumerable CreateTimeLine(DateTime start, TimeSpan interval, DateTime end) {
        var currentVal = start;
        var endVal = end.Subtract(interval);

        do {
            currentVal = currentVal.Add(interval);
            yield return currentVal;
        } while (currentVal <= endVal);
    }
}

To solve your problem you can do the following:

var workingDays = TimeLine.CreateTimeLine(DateTime.Now.Date, TimeSpan.FromDays(1), DateTime.Now.Date.AddDays(30))
                          .Where(x => x.DayOfWeek != DayOfWeek.Saturday && x.DayOfWeek != DayOfWeek.Sunday);
var noOfWorkingDays = workingDays.Count();

This time line class can be used for any continuous time line of any interval.