Sets the user interface behavior that will have the Grid control when it allows multiple selection.
• For iOS generator, the behavior of On Action value is assumed.
• For Android generator, the behavior of Always value is assumed.
||The selector is always visible in the Grid. The end user selects a set of rows first and then executes the action with a "for each selected line" command for processing each row.
||The selector becomes visible only when the end user selects the action having a "for each selected line" command over the Grid. Then, the end user selects a set of rows, allowing the user to confirm or cancel the action execution for processing each row selected.
This property applies only at design-time.
||Smart Devices (iOS, Android)
This property is available as of GeneXus X Evolution 2.