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DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

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Recurrence - Monthly (examples)

Interval

Range

RecurrenceInfo.DayNumber - Monthly

RecurrenceInfo.WeekOfMonth_Monthly_None

RecurrenceInfo.WeekOfMonth_Monthly_Last

RecurrenceRange.NoEndDate

RecurrenceRange.OccurrenceCount

RecurrenceRange.EndByDate

  1. An appointment occurs on the 23th day of each month. Ten occurrences are specified.

    RRULE:FREQ=MONTHLY;COUNT=10;BYMONTHDAY=23
    
    apt.RecurrenceInfo.Type = RecurrenceType.Monthly;
    apt.RecurrenceInfo.Start = apt.Start;
    apt.RecurrenceInfo.DayNumber = 23;
    apt.RecurrenceInfo.WeekOfMonth = WeekOfMonth.None;
    apt.RecurrenceInfo.Range = RecurrenceRange.OccurrenceCount;
    apt.RecurrenceInfo.OccurrenceCount = 10;
    
  2. An appointment occurs on the last Wednesday of the month, every 2 months. The occurrence chain has no end date.

    RRULE:FREQ=MONTHLY;INTERVAL=2;BYDAY=WE;BYSETPOS=-1
    
    apt.RecurrenceInfo.Type = RecurrenceType.Monthly;
    apt.RecurrenceInfo.Periodicity = 2;
    apt.RecurrenceInfo.Start = apt.Start;
    apt.RecurrenceInfo.WeekOfMonth = WeekOfMonth.Last;
    apt.RecurrenceInfo.WeekDays = WeekDays.Wednesday;
    apt.RecurrenceInfo.Range = RecurrenceRange.NoEndDate;
    
  3. An appointment occurs on the first Monday of the month every 3 months. The duration is one year.

    RRULE:FREQ=MONTHLY;UNTIL=20171103T080000Z;INTERVAL=3;BYDAY=MO;BYSETPOS=1
    
    apt.RecurrenceInfo.Type = RecurrenceType.Monthly;
    apt.RecurrenceInfo.Periodicity = 3;
    apt.RecurrenceInfo.Start = apt.Start;
    apt.RecurrenceInfo.WeekOfMonth = WeekOfMonth.First;
    apt.RecurrenceInfo.WeekDays = WeekDays.Monday;
    apt.RecurrenceInfo.Range = RecurrenceRange.EndByDate;
    apt.RecurrenceInfo.End = apt.RecurrenceInfo.Start.AddYears(1);
    
See Also