|
|
|
|
|
|
|
|
|
|
- Item characteristics
- Handling the item and the List Box control
- To update the List Box control with the value stored in the item:
- To update an item with the index of the element selected in the List Box control:
Binding a List Box control to an item
A List Box control can be bound to an item in a data file, query, etc. The following types of items can be bound to a List Box control: - Text,
- Numeric,
- Date or Time,
- Radio Button, List Box, Combo Box.
The item bound to the List Box control will contain the index of the element selected in the List Box control. Remark: When a field is associated with a List Box control, the contents of the list are the same for all records in the data file.. The contents of the List Box control can be: - entered directly in the data model editor,
- entered in the window or page editor,
- assigned in the code (with ListAdd).
Handling the item and the List Box control To update the List Box control with the value stored in the item: 1st case: window or page fields are bound to fields in a data file (Binding) All the controls bound to an item in the data file (or a related file) will be updated by: Case 2: window or page fields are not associated with fields in a data file
A value must be assigned to each control using the following syntax: <Control name> = <Data file>.<Item> To update an item with the index of the element selected in the List Box control: 1st case: window or page fields are bound to fields in a data file (Binding) All the items in the data file (or a related file) that are bound to a control in the window or page will be updated by: Case 2: window or page fields are not associated with fields in a data file
The value of each control must be assigned to each item using the following syntax: <Data file>.<Item> = <Control name>
This page is also available for…
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|