InfoPath Dev

 I'm also using O365 Online, have asked a fellow colleague to test in our SP farm to see if it's replicated..

 I just wanted to say thank you for posting this!  You saved me.  I'd been searching for hours and finally found this post.  My filler form now opens from a sharepoint accesslink and I'm thrilled.

I'm using Office 365 instead of an on-prem server, but can't replicate this. I have a list with a lot of different column types - I added two Y/N fields. I customized in InfoPath, and my checkboxes worked as anticipated.

You can find a code sample here: http://www.bizsupportonline.net/infopath2007/programmatically-select-all-items-multi-select-list-box.htm

 I have reviewed the document Define Termsets and use qRules to load them into your form.pdf.  I followed the instructions and in my DEV environment the terms were sorted properly.  In my QA environment they were not sorting properly.  So I tried the transform and sort commands that Hilary had helped me with on another ...

 Sorry, I didn't get back to you.  When I published the form it worked fine.  Just not in designer.  Ugh!

Yes, exactly the same but I started again with a new list in case there was a bug in the original list but added identical columns to the original. Apart from the 2 check boxes almost all are single line text boxes, there is also a choice field and a text box. Nothing fancy going on. I also removed the 'required' option for any fields ...

 .xsn attached

 on browser error

 Hello, was able to use another workaround, now what I needed is just a filter for Sub discipline (multiple line) based on Discipline being selected. I used xml document data connection which I converted.  Weird part, it was working offline but on browser it gives an error. I'll attach the error screenshot on my reply here ...