2019-03-14 10:50:51:下载出错！   在 System.Net.ConnectStream.Read(Byte[] buffer, Int32 offset, Int32 size)
   在 System.IO.StreamReader.ReadBuffer(Char[] userBuffer, Int32 userOffset, Int32 desiredChars, Boolean& readToUserBuffer)
   在 System.IO.StreamReader.Read(Char[] buffer, Int32 index, Int32 count)
   在 System.Xml.XmlTextReaderImpl.ReadData()
   在 System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars)
   在 System.Xml.XmlTextReaderImpl.ParseText()
   在 System.Xml.XmlTextReaderImpl.ParseElementContent()
   在 System.Xml.XmlTextReaderImpl.Read()
   在 System.Xml.XmlTextReader.Read()
   在 System.Xml.XmlReader.ReadElementString()
   在 Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderExamClientService.Read150_Item()
   在 Microsoft.Xml.Serialization.GeneratedAssembly.ArrayOfObjectSerializer292.Deserialize(XmlSerializationReader reader)
   在 System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
   在 System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle)
   在 System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   在 System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   在 CL.BLLClient.ExamClientService.ExamClientService.LoadBaseItemUpdateNewData(String itemName, String lastUpdateDate)
   在 CL.BLLClient.ClientDataExchange.DownloadBaseItem(String versionCode, String itemName, Boolean deleteItemFirst, String localupdatedate, String remoteupdatedate)
   在 CL.BLLClient.ClientDataExchange.DownloadBaseItem(String itemName, Boolean deleteItemFirst, String localupdatedate, String remoteupdatedate)
   在 CL.ExamClient.frmMain.dIZXGVI24yCO2pp0O2uK(Object , Object , Boolean , Object , Object )
   在 CL.ExamClient.frmMain.StartDownLoadBaseItemFromServer(Object state)
