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- Item characteristics
- Handling the item and the List Box control
- To update the List Box control with the element that corresponds to 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 an item is bound to a List Box control, the content of the List Box item is the same for all the data file records. 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 element that corresponds to the value stored in the item: 1st case: the controls in the window or page are bound to items in a data fileAll the controls bound to an item in the data file (or a related file) will be updated by: 2nd case: the controls in the window or page are not bound to items 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: the controls in the window or page are bound to items in a data fileAll 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: 2nd case: the controls in the window or page are not bound to items in a data file
The value of each control must be assigned to each item using the following syntax:
<Data file>.<Item> = <Control name>
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