How can I set XFA data in a static XFA form in iTextSharp and get it to save?

Question

I\'m having a very strange issue with XFA Forms in iText / iTextSharp (iTextSharp 5.3.3 via NuGet). I am trying to fill out a static XFA styled form, however my changes are

Answer 1

I found the issue. The replacement DomDocument needs to be the entire merged XML of the new document, not just the data or datasets portion.