How code tables are implemented
You can define a code table as a property of the following
column edit styles:
-
Edit
-
DropDownListBox
-
RadioButtons
-
DropDownDataWindow
-
EditMask, using spin control
The steps to specify the code table property for each edit
style are similar: you begin by defining a new edit style in the Database painter.
Once you select an edit style, use the specific procedure that follows
to define the code table property.
For how to create an edit style, see “About edit styles “.
Allowing null values
An internal PowerBuilder code, NULL!, indicates null values
are allowed. To use this code, specify NULL! as the data value,
then specify a display format for nulls for the column.
To define a code table as a property of the Edit
edit style:
-
Select the Use Code Table check box.
-
Enter the display and data values for the code
table. -
If you want to restrict input in the column to
values in the code table, select the Validate check box.For more information, see “Validating user input”.
To define a code table as a property of the DropDownListBox
edit style:
-
Enter the display and data values for the
code table. -
If you want to restrict input in the column to
values in the code table, clear the Allow Editing check box.For more information, see “Validating user input”.
To define a code table as a property of the RadioButtons
edit style:
-
Enter the display and data values for the
code table.
To define a code table as a property of the DropDownDataWindow
edit style:
-
Specify the column that provides the display
values in the Display Column box. -
Specify the column that provides the data values
in the Data Column box. -
If you want to restrict input in the column to
values in the code table, clear the Allow Editing check box.
To define a code table as a property of the EditMask
edit style:
-
Select the Spin Control check box.
-
Select the Code Table check box.
-
Enter the display and data values for the code
table.