WCF Service Proxy throws exception when more than one parameter is used in [OperationContract] method

Question

I have a WebServiceHost that is being used to host some web services in a console app. I added a service reference to it in my client app and create the proxy like so:

Answer 1

Two solutions I found:

If you can remove

From

If you cannot, I had to add the attribute

[WebInvoke(BodyStyle = WebMessageBodyStyle.WrappedRequest)]

Above the Operation Contact Method