InfoPath Dev

I have an infopath form which was working fine until recently (2nd time this has happend - another form did the same a while ago and I rebuilt from scratch).  The form collects the dropdown list from a data connection (SQL database) and has rules attibuted to the field to populate additional relative data fields. There are follow on entry ...

I have an issue on an infopath 2010 SP list form. A drop down works fine in preview but not in Browser (published).The data set for the choice is central admin stored .udcxThe form is local to the SP List (cannot place in central Admin).The browser loads fine. The choice field does not have the blank value showing, it shows the last item in the ...