WebClient上传文件异常

Question

            Uri uri = new Uri("http://172.16.102.37/seeyon/uploadService.do?method=processUploadService&senderLoginName=zhouquandang&token=" + a8_token.id + "");
            string fileName = "201149154759.xlsx";
             //写入数据流
            byte[] postdata = System.Text.Encoding.ASCII.GetBytes(string.Format("{0}writeInfo",DateTime.Now.ToString("yyyy-MM-dd HH:ss")));
            WebClient client = new WebClient();
            client.Credentials = CredentialCache.DefaultCredentials;
            FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
            try
            {
                BinaryReader br = new BinaryReader(fs,new ASCIIEncoding());
                br.BaseStream.Position = 0;// Set Position to the beginning of the stream.
            try
            {
                byte[] postArray = br.ReadBytes((int)fs.Length);
                Stream postStream = client.OpenWrite(uri, "POST");
                if (postStream.CanWrite)
                {
                    postStream.Write(postArray, 0, postArray.Length);
                    MessageBox.Show(fileName + "上传成功");
                }
                else
                {
                    MessageBox.Show("文件目录不可写");
                }
                postStream.Close();
            }
            catch (WebException errMsg)
            {
                MessageBox.Show("上传失败：" + errMsg.Message);
            }
        }
        catch (InvalidOperationException ioorx)
        {
            MessageBox.Show(ioorx.ToString());
        }这个上传是在我的winform程序上通过java程序提供的方法上传到其文件夹下，运行后提示上传成功，但是实际上并没有上传上去。当我断点运行的时候在BinaryReader br = new BinaryReader(fs,new ASCIIEncoding());
出现异常：“br.BaseStream.ReadTimeout”引发了“System.InvalidOperationException”类型的异常
“br.BaseStream.WriteTimeout”引发了“System.InvalidOperationException”类型的异常
此流上不支持超时。
请问大家如何解决啊 谢谢了

Answer 1

还有webclient不支持超时设置，用webrequest代替
http://msdn.microsoft.com/zh-cn/library/d4cek6cc(v=VS.80).aspx

Answer 2

不知道楼主解决没有，这个是我以前写的一个上传方法
//参数的filename是要上传的文件名，path是要上传的文件在你本机的路径
private void uploadFile(string filename, string path)
        {
            result = false;
            using (WebClient upload = new WebClient())
            {
                #region 没有用到这个方法|应该比现在的方法好
                // Server  URL
                string uriString = "http://aaaaaa.com/upload/updata/" + filename;                string fileName = path;                FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
                BinaryReader br = new BinaryReader(fs);
                Byte[] postArray = br.ReadBytes(Convert.ToInt32(fs.Length));
                Stream postStream = upload.OpenWrite(uriString, "PUT");
                if (postStream.CanWrite)
                {
                    postStream.Write(postArray, 0, postArray.Length);
                    result = true;
                }
                postStream.Close();
                fs.Close();
                #endregion
            }
        }