protected void Button1_Click(object sender, EventArgs e)
 {
     if (UploadFile.HasFile)
     {
         string FileName     = this.UploadFile.FileName;                                                                                               //获取上传文件的文件名,包括后缀
         string ExtenName    = System.IO.Path.GetExtension(FileName);                                                                                  //获取扩展名
         string filenewname  = DateTime.Now.ToString("yyyyMMddHHmmssfff");
         string SaveFileName = System.IO.Path.Combine(System.Web.HttpContext.Current.Request.MapPath("../upload/workflow/"), filenewname + ExtenName); //合并两个路径为上传到服务器上的全路径
         UploadFile.MoveTo(SaveFileName, Brettle.Web.NeatUpload.MoveToOptions.Overwrite);
         string url = "upload/workflow/" + filenewname + ExtenName;                                                                                    //文件保存的路径
         this.uploadurl.Value = url;
         //float FileSize = (float)System.Math.Round((float)UploadFile.ContentLength / 1024000, 1); //获取文件大小并保留小数点后一位,单位是M
         this.uploadfiles.Style["display"]  = "none";
         this.uploadfileok.Style["display"] = "";
     }
 }