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Hi, the read() method will only return cell values. Data validations are not themselves cell values, they just limit what values can be entered.
So in other words, if you have added a data validation drop-down to a cell, but no value has been chosen from that drop down, then when you read that cell it will be empty. If you select a value from the drop-down and save the workbook, read() will then return the value you chose.
need try use newDataValidation?
can you give me example
Thanks