Hi Abu, I’m also stuck on the following, kindly help

1. How do  I add a Dropdown list on the toolbar, whose dropdown values are populated from a column of the grid and that column fetches dropdown values from a database. I short the Dropdown values are populated from a grid column values.
2. Also, how do I add a Dropdown list on the toolbar, which populates dropdown values from a database table field?

Thanks in advance, I hope you will be able to help me as soon as possible.