Description
Scrolls a DataWindow control backward one page, displaying another group of rows in the DataWindow's display area. (A page is the number of rows that can be displayed in the DataWindow control at one time.) ScrollPriorPage changes the current row but not the current column.
Applies to
Syntax
PowerBuilder
long dwcontrol.ScrollPriorPage ( )
|
Argument |
Description |
|---|---|
|
dwcontrol |
The name of the DataWindow control or child DataWindow you want to page (scroll) to the prior page |
Return value
Returns the number of the row displayed at the top of the DataWindow control when the scroll finishes or tries to scroll past the first row. ScrollPriorPage returns -1 if an error occurs.
If dwcontrol is null, the method returns null.
Usage
ScrollPriorPage does not highlight the current row. Use SelectRow to let the user know what row is current.
Events
ScrollPriorPage can trigger these events:
| ItemChanged |
| ItemError |
| ItemFocusChanged |
| RowFocusChanged |
| RowFocusChanging |
Examples
This statement scrolls dw_employee backward one page:
dw_employee.ScrollPriorPage()
See also
