各位老大，我用asp.net开发了一个用友EAI接口系统，按指定格式导入XML时，回执错误信息为EAI数据源连接失败，原因：登录信息不全,请查看代码!请问该如何解决？如下为c#代码：
System.Xml.XmlDocument dom = new XmlDocument();
HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(“http://127.0.0.1:802/U8EAI/import.asp”);
myRequest.Method = “POST”;
myRequest.ContentType = @”text/xml;charset=utf-8″;
dom.Load(“c:\\123.xml”);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
dom.Save(ms);
byte[] bytes = ms.ToArray();
myRequest.ContentLength = bytes.Length;
System.IO.Stream s = myRequest.GetRequestStream();
s.Write(bytes, 0, bytes.Length);
s.Close();
System.IO.StreamReader sr = new System.IO.StreamReader(myRequest.GetResponse().GetResponseStream());
String retXml = sr.ReadToEnd();
sr.Close();
dom = new XmlDocument();
dom.LoadXml(retXml);
//保存返回的信息
dom.Save(“C:\\re.xml”);
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