If you can do a few things it will be easier to help.
- Post all of the code on your page not just the one you believe to be causing the problem.
- Post a link to the page you are having problems with. Show the element bindings for #answeri in a screen shot if possible.
What are the settings On your data set? Is it set to read only, write only or read write ? What are the permissions on your data collection? Who can write to it? Admin, Member or anybody?
if any of these permission settings don’t match the page user then data won’t be saved either.