Hi everyone,
On our select multiple questions, we need to prevent people from selecting
both 'none' and any other choice. How does CommCare support this option?
We keep getting errors when we try writing the logic in a few different
ways, like
. = 'nothing' and ('agronomy' or ‘not_farming’ or ‘other’)
Hello,
For multi-selects you will need to use selected()
https://confluence.dimagi.com/display/commcarepublic/CommCare+Functions#CommCareFunctions-selected
and count-selected()
https://confluence.dimagi.com/display/commcarepublic/CommCare+Functions#CommCareFunctions-count-selected
functions - this is because multi-selects store their answers as a space
separated list, so for example if you selecting 'agronomy' and 'other' the
answer will be 'agronomy other' and thus '. = agronomy' will be false.
In your case you would want (pseudocode) 'not(selected(., 'nothing') and
count-selected(.) > 1)' - so, if nothing is selected you cannot select
more than one answer.
Cheers,
Will
Hi everyone,
On our select multiple questions, we need to prevent people from selecting
both 'none' and any other choice. How does CommCare support this option?We keep getting errors when we try writing the logic in a few different
ways, like. = 'nothing' and ('agronomy' or ‘not_farming’ or ‘other’)
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