Week Number

You can display the week number of the year in month view by using the ShowWeekNumber property. By default value of ShowWeekNumber property is false.

Note:-ShowWeekNumber is only applicable in Month view.

XAML

<schedule:SfSchedule  x:Name="schedule"  ScheduleType="Month"  ShowWeekNumber="True"/>

C#

SfSchedule schedule = new SfSchedule();
            schedule.ScheduleType = ScheduleType.Month;
            schedule.ShowWeekNumber = true;
            this.grid.Children.Add(schedule);