[WebMethod]

        public string GetNewService(string version)

        {

            //通过版本号进行比较

            if (version == "v1.0")

            {

                return "没有新版本！";

            }

            else

            {

                return @"E:\QMDownload\CashTest.exe"; //返回一个地址，这个里面存有新版本！

            }

        }

  //自动更新开始

            Juran.CenterCash.WebService.UpdateService.WebService server = new WebService.UpdateService.WebService();

            string path = server.GetNewService("v1.x");

            if (path == "没有新版本！")

            {

            }

            else

            {

                try

                {

                    WebClient wClient = new WebClient();

                    wClient.DownloadFile(path, "D:\\1.exe"); //下载服务器的文件到本地，取名为1.exe

                    Process pro = new Process();

                    string fileName = @"D:\\1.exe";

                    string para = "";

                    ProcessStartInfo myProcessStartInfo = new ProcessStartInfo(fileName, para);

                    pro.StartInfo = myProcessStartInfo;

                    pro.Start();

                    while (!pro.HasExited)

                    {

                        pro.WaitForExit();

                    }

                    int returnValue = pro.ExitCode;

                    if (returnValue == )

                    {

                        MessageBox.Show("更新成功，请启动程序！");

                    }

                }

                catch (Exception ex)

                {

                    MessageBox.Show(ex.ToString());

                }

            }

            //自动更新结束