C#如何调用SOAPUI中测试通过的接口

    我在SOAP UI测试通过了SAP的SOAP接口，在C#调用，一直提示“服务器内部错误 500”。经过分析对比发现

在SOAPUI中的WA中使用了Randomly generate MessageID这个选项，我在c#如何增加这个选项

 public static string TestSAPService()
        {

            //读取xml格式文件
            string soapFile = "d:\\journal.txt";
            StringBuilder soap = new StringBuilder();
            soap.Clear();
            try
            {
                FileStream fs = new FileStream(soapFile, FileMode.Open, FileAccess.Read);
                if (fs.CanRead)
                {
                // 读取时加入编码信息,否则读取汉字会乱码
                    StreamReader sr = new StreamReader(fs, Encoding.UTF8);
                    string strline = sr.ReadLine();
  
                    while (strline != null )
                    {
                        strline = sr.ReadLine();
                        soap = soap.Append(strline);
                    }
                    sr.Close();                
                }
               
            }
            catch (Exception ex)
            { throw ex; }

            //发起请求
            Uri url = new Uri("https://my300197.saps4hanacloud.cn/sap/bc/srt/scs_ext/sap/journalentrybulkcreationreques");
            string a = "";
            //try
            //{
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;//设置SSL/TLS 安全通道协议
                HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(url);    //定义Request对象
                webRequest.ProtocolVersion = HttpVersion.Version11;
                webRequest.Timeout = 10000;
                webRequest.Headers.Add("Username:FI_USER");
                webRequest.Headers.Add("Password:ryhVmAgovweYfS}MvqKdjJqccVqGMpjBexromw6Y");
                webRequest.Headers.Add("Authorization:Basic RklfVVNFUjpyeWhWbUFnb3Z3ZVlmU31NdnFLZGpKcWNjVnFHTXBqQmV4cm9tdzZZ");
                webRequest.ContentType = "text/xml; charset=UTF-8";
                //webRequest.Accept = @"application/xml";//获取XML格式
                webRequest.Method = "POST";
                webRequest.Headers.Add("soapAction", "http://sap.com/xi/SAPSCORE/SFIN/JournalEntryBulkCreationRequest_In/JournalEntryBulkCreationRequest_InRequest");
                byte[] paramBytes = Encoding.UTF8.GetBytes(soap.ToString());
                //requestStream.Write(paramBytes, 0, paramBytes.Length);
                webRequest.ContentLength = paramBytes.Length;
                
                Stream requestStream = webRequest.GetRequestStream();
                requestStream.Write(paramBytes, 0, paramBytes.Length);//写入参数
                requestStream.Close();

   

                //响应
                WebResponse webResponse = webRequest.GetResponse();
                using (StreamReader myStreamReader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
                {
                    Console.WriteLine(myStreamReader.ReadToEnd());
                    a += myStreamReader.ReadToEnd();
                }


            //}
            //catch (Exception err)
            //{
            //    //MessageBox(err.Message);
            //   return err.ToString();
            //}
            return a;

        }

 

 

 

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