How are you making the change to the DataSet? Programmatically or with Kevin's databinding? Make sure HasChanges is true and GetChanges is not returning null. If this is a Windows form then you need to call EndEdit to flush out the changes to the dataset.

>Is there a bug in .NET 2003 & DataRowVersion? Actual code:
>DataRowVersion shows same values in all 4 types of data. I am changing only
>1 field's value and I FAIL to detect the change. Code below:
>