Thank you very much, MrFale67.  I fixed this problem by setting the "Preserver scripting changes to form when saved" to "Manually" and then clicked OK, then saved the PDF, then went back into Properties and changed it back to "Automatically" after which it started working as expected.  I'm not sure ...

I'm currently using Adobe LiveCycle Designer 8.0 to create Dynamic PDF files.  I'm saving them in "Adobe 8 Dynamic XML Form" format, I've set "Preserver scripting changes to form when saved" to "Automatic" and the binding on all of my forms/textfields is set to "Normal."  When I open my PDF in Acrob...