Formview itemupdating event
The update command of the SQLDatasource has parameters. In the Item Updating handler you will get event arguments holding the data that Form View is sending to Sql Data Source.
Here is my post and if you have minute can you take a look at it see if you can spot anything wrong with it.
This is basically saying that if we've set a Select Method, an Update Method, or a Delete Method (these are string properties on the Form View) then return true, otherwise tell us if we've set an Insert Method.