I could not run the provided dojo, because the URL in the read configuration uses a port that is restricted by our firewall. Please use a standard port (e.g. 80). Also, the Underscore library is not referenced.
You can take a look at the following resources (detailed explanation and demos) from our documentation, as well as a dojo, using sample data, and apply the necessary adjustments to your implementation:
(the same logic applies to DropDownLists)
I hope this helps, but if you need further assistance, please send us a runnable project, similar to the provided ones, so we can investigate the issue.
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