This event fires before data in existing records are validated but after the user has pressed the Submit button to update or delete existing records.
This event is fired for each row of existing data that was modified by the user. The event fires before the CanUpdateRecord event.
The following variables are available to you in the event:
Contains the GridDefinition and rtc variables.
Contains the state info (__si2) object.
Contains the new and original values for the record.