ajax 能不能处理流

Question

1:this.Accessories.InnerHtml = "<a href=\"#\" onclick=\"javacript:FileDownload('" + ntmbulletin.FileUpload + "')\">" + ntmbulletin.FileUpload + "</a>";2:function FileDownload(filename)
{
  PageService.FileDown(filename,TrueOrFalse,OnFailded);
}3:  [WebMethod(EnableSession = true)]
    public bool FileDown(string fileName)
    {
        string serFile = HttpContext.Current.Server.MapPath("~/FileUpload/") + fileName;   // 服务器上存放文件的地址
        HttpContext.Current.Response.Clear();
        HttpContext.Current.Response.AddHeader("Content-Type", "text/plain");
        HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + fileName);
        HttpContext.Current.Response.WriteFile(serFile);       // 将文件以流的形式传输
        HttpContext.Current.Response.End();
        return true;
    }
出错???????????????????????????????????????????????????????????????????????????????????????????????????????????

Answer 1

能不能处理，写个程序测试一下，

Answer 2

不能处理  出错  所以上来请大家帮忙的呀