clearSelection method
Clear the current selection.
Implementation
Future<void> clearSelection() async {
final sel = await VolvoxGridService.GetSelection(_getSelectionRequest);
await VolvoxGridService.Select(_buildSingleRangeSelectRequest(
sel.activeRow,
sel.activeCol,
rowEnd: sel.activeRow,
colEnd: sel.activeCol,
));
notifyListeners();
}