foreach (UploadedFile file in RadUploadContext.Current.UploadedFiles)             {                 string Path = Server.MapPath(@"~/Uploads");                 //如果路径不存在，则创建                 if (System.IO.Directory.Exists(Path) == false)                 {                     System.IO.Directory.CreateDirectory(Path);                 }                 //组合路径，file.GetName()取得文件名                 string oldfilename = file.GetName().ToString();                 //如果对上传后的文件进行重新命名，根据guid进行命名，则放开下面二行代码                 //string fileType = oldfilename.Substring(oldfilename.LastIndexOf("."));                 //string newfilename = Guid.NewGuid().ToString("N") + fileType;                 //Path = Path + "/" + file.GetName().ToString();                 Path = Path + "/" + oldfilename;                 //保存                 file.SaveAs(Path, true);                 string newurl = @"~/Uploads/" + oldfilename;                          }