未能创建 SSL/TLS 安全通道(转载) HttpWebRequest WebClient

        public void UploadDataWeatherHourly(List<WeatherHourly> list)
        {
            
            try
            {
                using (WebClient client = new WebClient())
                {
                    servicePointManager.ServerCertificateValidationCallBACk += (s, cert, chain, sslPolicyErrors) => true;
                    servicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
                    var address = "";
                    address = System.Configuration.ConfigurationManager.AppSetTings["UploadUrlHourly"];
                    client.Headers[httprequestHeader.ContentType] = "application/json";
                    client.Encoding = System.Text.Encoding.UTF8;
                    //Encryption en = new Encryption();
                    //var list2 = new List<WeatherHourly>() { };
                    //for (int i = 0; i < 100; i++)
                    //{
                    //    list2.Add(list[i]);
                    //}
                    //var postData = en.byteTo16(en.EncryptObjByte(list));
                    var data = new PostWeatherHourly { data = list };
                    String response1 = client.UploadString(address, JsonConvert.serializeObject(data));
                     var result = JsonConvert.DeserializeObject<ResultModel>(response1);
                    LogManage.Info("小时上传数量：" + list.Count.ToString());
                    LogManage.Info("小时入库成功数量："+result.@R_698_10586@l.ToString()+"   返回信息："+ result.msg);
                }


            }
            catch (Exception eX)
            {
            
                LogManage.Error("UploadDataWeatherHourly", eX);

            }
     
        }