Hello,
I'm a little bit stumped by a seemingly simple client request for this question. They are asking for respondents to pick 3 provinces in each column, and they would like it to be programmed so that there cannot be duplicate responses within a given column.
I'm not sure how to program this.My suggestion was just that duplicates be cleaned from the data after, but they are insistent on preventing duplicate responses to begin with.
Any advice would be greatly appreciated.
Thank you
Question
Preventing duplicate responses in a column (drop down menus)
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