Using VPLUS: An Introduction to Forms Design (32209-90004)

3-13
The QTY field is the first field in the line of order information, as
shown in Figure 3-10. This field should always be specified by the user
and the quantity should be entered as a number. To insure that an
unsigned number, consisting only of the digits 0-9, is entered in this
field, use the data type DIG.
Action
Change the field type to R for required and change the data type to DIG.
Press ENTER to record the changes.
Figure 3-11. The Field Menu for the Part Number Field