I have a range of cells from Q17:Q167 where I need data validation to change around based on values in the range E17:E167. If column E contains an asterisk, then the cell on the same row in column Q should be validated with the dynamic range named "title1". Since the values in col E change (upon a button click), the same row will not always have the asterisk, therefore validation should be deleted from the cells that don't have an asterisk in Col E. I can't seem to wrap my head around how to solve this without involving conditional formatting, which would prevent the drop down from being used, but the drop down exists, and would be confusing to users wondering why there is a drop down in a cell where there shouldn't be.
I hope that makes sense. It's not possible to load an example of the spreadsheet as it is quite large and contains sensitive information, but I include a basic idea of what I'm after.
row# Col E Col Q
17 * validation
18 * validation
19 fsdfsf no validation
20 * validation
after a button click the information changes
row# Col E Col Q
17 dfsdfsd no validation
18 * validation
19 * validation
20 dfsdfsfs no validation
Thanks for looking!
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