asp.net 文件夸域名传输带进度条

<script type="text/C#" runat="server"> BinaryReader ms; UploadInfo uploadInfo = null; protected void Page_Load(object sender, EventArgs args) { if (this.IsPostBack) { uploadInfo = this.Session["UploadInfo"] as UploadInfo; if (uploadInfo == null) { // 让父页面知道无法处理上传 const string js = "window.parent.onComplete('error', '无法上传文件。请刷新页面，然后再试一次);"; ScriptManager.RegisterStartupScript(this, typeof(upload_aspx), "progress", js, true); } else { // 让服务端知道我们还没有准备好.. uploadInfo.IsReady = false; try { // 读取要上传的文件 FileStream fs = new FileStream(this.fileUpload.PostedFile.FileName, FileMode.Open, FileAccess.Read); ms = new BinaryReader(fs); string newFile = DateTime.Now.Ticks.ToString(); string exit = this.fileUpload.FileName.Substring(this.fileUpload.FileName.IndexOf('.')); newFile = newFile + exit; UriBuilder url = new UriBuilder("http://192.168.25.27:8056/UploadFileHander.ashx");//上传路径 url.Query = string.Format("filename={0}", newFile);//上传url参数 uploadInfo.ContentLength = this.fileUpload.PostedFile.ContentLength; uploadInfo.FileName = newFile; uploadInfo.UploadedLength = 0; //文件存在 初始化... uploadInfo.IsReady = true; WebClient wc = new WebClient(); wc.Credentials = CredentialCache.DefaultCredentials; wc.OpenWriteCompleted += new OpenWriteCompletedEventHandler(wc_OpenWriteCompleted);//委托异步上传事件 wc.OpenWriteAsync(url.Uri);//开始异步上传 const string js = "window.parent.onComplete('success', '{0} 已成功上传,重命名为：{1}：文件大小：{2}');"; ScriptManager.RegisterStartupScript(this, typeof(upload_aspx), "progress", string.Format(js, Path.GetFileName(this.fileUpload.FileName), DateTime.Now.ToString("yyyy-MM") + "/" + DateTime.Now.Day + "/" + newFile, uploadInfo.ContentLength), true); } catch (Exception ex) { Response.Write(ex.Message); } } } } protected void wc_OpenWriteCompleted(object sender, OpenWriteCompletedEventArgs e) { int bufSize = 10; int byteGet = 0; byte[] buf = new byte[bufSize]; while ((byteGet = ms.Read(buf, 0, bufSize)) > 0)//循环读取,上传 { e.Result.Write(buf, 0, byteGet);//注意这里 uploadInfo.UploadedLength += byteGet; } // 让父页面知道已经处理上传完毕 e.Result.Close();//关闭 ms.Close(); } </script>