public static RenderingResponseHandlerResult GetDataResponseHandling(string handlerName, DataEntityToken requestedItemEntityToken)
        {
            IDataRenderingResponseHandler handler = GetRenderingResponseHandler(handlerName) as IDataRenderingResponseHandler;

            Verify.IsNotNull(handler, "The Rendering Response Handler named '{0}' does not implement the required interface '{1}'", handlerName, typeof(IDataRenderingResponseHandler));

            return(handler.GetDataResponseHandling(requestedItemEntityToken));
        }
        public static bool IsDataRenderingResponseHandler(string handlerName)
        {
            IDataRenderingResponseHandler handler = GetRenderingResponseHandler(handlerName) as IDataRenderingResponseHandler;

            return(handler != null);
        }