The Grid Data Item class here is implemented specially for this local data source.
To cancel the update operation, set the collections, if necessary, before the values are passed to the data source.
event is raised when a row's Update button is clicked, but before the Grid View control updates the row.
This enables you to provide an event-handling method that performs a custom routine, such as canceling the update operation, whenever this event occurs.
Applications do not need to explicitly add these assemblies to their project. NET, Managed Driver will access these assemblies by default if installed.
The one exception is namespaces contains implementations of core ADO.