Hi : can i have reference for how to add dropdown to the excel using aspose java
Thanks for your query.
You can implement DropDowns/ComboBox to worksheet cells, in two ways (please choose any of the approaches based on your specific needs):
Add List data validation to cells, see the document (sub-topic) with example code for your reference:
Add ComboBox forms controls to the worksheet. see the document for your reference:
Hope, this helps a bit.