Displaying week numbers in calendar widgets
If users are accustomed to seeing week numbers in calendars, you can specify that the week numbers are displayed along the left side of the calendar widget in your application. The week numbers are shown according to the ISO 8601 standard date notation. Week numbers may vary, depending on locale.
Before you begin: In the layout of the form that you are editing, complete the
following task: Adding a Date time control to a layout.
On the Presentation tab of the Properties
panel, select the Display week numbers on the calendar
option.