SelectedIndex Property (SelectionList)
Returns the index of the selected item. The default value is –1.
public int SelectedIndex {
get,
set
}
Remarks
If the control is in multiple selection mode, this property returns the index of the first selected item. The selected index cannot be set declaratively; use the Selected property of a list item instead. Set the SelectedIndex to –1 to clear the selection. This is useful when you want to dynamically remove items from the list.
See Also
Applies to: SelectionList Class