Patty,

>The data is displayed in a set of user interface controls - no grid. After the Add button is clicked, all of the controls go blank. This implies the controls are bound to the new row, correct?
>
>Where is the breakdown occuring if the data entered in the UI controls is not getting to the dataset?

There really shouldn't be anything that breaks down since there is automatic two-way databinding with Windows Forms. Are you absolutely certain the values are not getting back into the DataRow? Are you using DataViews?

Regards,