System.Net.WebException: 远程服务器返回错误: (400) 错误的请求。
   at System.Net.HttpWebRequest.CheckFinalStatus()
   at System.Net.HttpWebRequest.EndGetRequestStream(IAsyncResult asyncResult)
   at System.Net.HttpWebRequest.GetRequestStream()
   at localhost.education.score.getPage(String url, String paramList) in D:\project\hp\info\root\education\score.aspx.cs:line 96