I know ODATA can return json but not sure if I have to use an attribute or interface to do so.
I want it to do just like http://odata.netflix.com/Catalog/Titles?$format=JSON but my odata service doesn't return JSON. When I call it like www.foo.com/service?$format=json, it just returns XML.
What do I need to do to return json with ODATA?