If you have developed several Sharepoint Nintex forms, you will undoubtedly have used Choice dropdown controls. In one instance the dropdown will display a list of options from a SharePoint List. This is easy enough to do, simply setup the correct filters and you’re almost there.

When more control data is needed, you will most likely make an AJAX call via Javascript to a Web API or Web Service. When this happens, you will need to populate the dropdown with the data stored in the Web API’s response.

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