An object passed to the event that contains the following properties:
The row number of the Grid row that fired the event. New record rows have negative row numbers.
Fires when the user switches the row to non-editable mode. The Grid's Row edit style property must be set to 'edit on demand'. If the event returns false, the action is cancelled.
To prevent the user from switching a row to non-editable, the event can return false. For example: