Called to retrieve the records affected from a specific batched command, first argument is the value that was returned by AddToBatch when it was called for the command. Default implementation always returns 1, derived classes override for otherwise otherwise DbConcurrencyException will only be thrown if sum of all records in batch is 0. return 0 to cause Update to throw DbConcurrencyException

'Declaration
 
Protected Overrides Function GetBatchedRecordsAffected( _
   ByVal commandIdentifier As Integer, _
   ByRef recordsAffected As Integer, _
   ByRef error As Exception _
) As Boolean

protected override bool GetBatchedRecordsAffected( 
   int commandIdentifier,
   out int recordsAffected,
   out Exception error
)