>>i set the QuodtlBindingSource is SENSDataSet ar......
>
>Sorry Alex, that isn't helping me. Could you post some code? The statements for setting the BindingSource, for moving between records, for saving the data. Anything relevant to the problem.

I interpreted the post as meaning Alex suddenly realized that he'd mistakenly used the Dataset rather than a DataTable (the ar... being a head-banging sort of noise....) :-}