Message in Chinese (Simplified) (中文(简体))
SelectedIndex 属性不能小于 -1:“<var>X</var>”。
Unlocalized message
The SelectedIndex property cannot be set to less than -1: '<var>X</var>'.
Search by GoogleSelectedIndex 属性不能小于 -1:“<var>X</var>”。
The SelectedIndex property cannot be set to less than -1: '<var>X</var>'.
Search by Google