void service_GetFunNewsCompleted(
            object sender, GetFunNewsCompletedEventArgs e)
        {
            AsyncManager.OutstandingOperations.Decrement();
            var localResult = e.Result;

            if (!AsyncManager.Parameters.ContainsKey("result"))
            {
                AsyncManager.Parameters["result"] = localResult.Convert();
            }
            else
            {
                var result =
                    AsyncManager.Parameters["result"]
                    as IEnumerable <NewsModel>;
                AsyncManager.Parameters["result"] =
                    result.Union(localResult.Convert());
            }
        }
        void service_GetFunNewsCompleted(
			object sender, GetFunNewsCompletedEventArgs e)
        {
            AsyncManager.OutstandingOperations.Decrement();
            var localResult = e.Result;

            if(!AsyncManager.Parameters.ContainsKey("result"))
            {
                AsyncManager.Parameters["result"] = localResult.Convert();
            }
            else
            {
                var result =
                    AsyncManager.Parameters["result"]
                        as IEnumerable<NewsModel>;
                AsyncManager.Parameters["result"] =
                    result.Union(localResult.Convert());
            }
        }