Does WCF support JSON?
Does WCF support JSON? The Windows Communication Foundation (WCF) support for ASP.NET Asynchronous JavaScript and XML (AJAX) and the JavaScript Object Notation (JSON) data format allow WCF services to expose operations to AJAX clients. How to return JSON result in WCF service? 6 Answers. Change the return type of your GetResults to be List . Eliminate the code that you use to serialize the List to a json string - WCF does this for you automatically. WebInvoke with Method= "GET" is the same as WebGet, but since some of my methods are POST, I use all WebInvoke for consistency. How...