internal override void CheckConstraint(DataRow row, DataRowAction action)
{
if (Table.EnforceConstraints &&
(action == DataRowAction.Add ||
action == DataRowAction.Change ||
(action == DataRowAction.Rollback && row._tempRecord != -1)))
{
if (row.HaveValuesChanged(ColumnsReference))
{
if (ConstraintIndex.IsKeyRecordInIndex(row.GetDefaultRecord()))
{
object[] values = row.GetColumnValues(ColumnsReference);
throw ExceptionBuilder.ConstraintViolation(ColumnsReference, values);
}
}
}
}
