How to "empty" a date field

[mf]

We have this date field which is a calculation. If the reference value is earlier or equal to a certain date I want the field to be blank (like if I manually deleted the data from the field). How is this done?

[BobWeaver]

Set Field [MyDateField, TextToDate("")]

[mf]

Thanks!

[ September 06, 2001: Message edited by: mf ]