>I think I found it.
>
>
>xref.AcceptChanges(); // Does not send update back to source.
>ta.Update(xref); // Does send update back to source.
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>But if you call AcceptChanges before Update... nothing gets sent.
>
>Not sure I get the usefullness of AcceptChanges, but at least I get why I'm not updating.
Yes, the .AcceptChanges only "finalizes" the changes in the datatable... you need to reconcile the differences back to the SQL table. And really, I think you should be sending the change back to the database and if there are no errors, do an .AcceptChanges.
Sorry about not replying sooner...