public class AsyncHelper
    {
        private static readonly TaskFactory _myTaskFactory = new TaskFactory(CancellationToken.None, TaskCreationOptions.None, TaskContinuationOptions.None, TaskScheduler.Default);

        public static void RunSync(Func<Task> func, bool await = false)
        {
            CultureInfo cultureUi = CultureInfo.CurrentUICulture;
            CultureInfo culture = CultureInfo.CurrentCulture;
            _myTaskFactory.StartNew(delegate
            {
                Thread.CurrentThread.CurrentCulture = culture;
                Thread.CurrentThread.CurrentUICulture = cultureUi;
                return func();
            }).Unwrap().ConfigureAwait(await).GetAwaiter().GetResult();
        }

        public static TResult RunSync<TResult>(Func<Task<TResult>> func, bool await = false)
        {
            CultureInfo cultureUi = CultureInfo.CurrentUICulture;
            CultureInfo culture = CultureInfo.CurrentCulture;
            return _myTaskFactory.StartNew<Task<TResult>>(delegate
            {
                Thread.CurrentThread.CurrentCulture = culture;
                Thread.CurrentThread.CurrentUICulture = cultureUi;
                return func();
            }).Unwrap<TResult>().ConfigureAwait(await).GetAwaiter().GetResult();
        }
    }

                    if (AsyncHelper.RunSync(() => _Service.Send(req), false))//_Service.Send(req) return bool
                    {
                        
                    }