急救 关于页面下载

Question

我能获取一个文件路径 
怎么下载这个文件
代码怎么写
#
protected void Page_Load(object sender, EventArgs e)
    {
        if (Request.QueryString["Id"] != null)
        {
            try
            {
                int id = int.Parse(Request.QueryString["id"].ToString());
                Files file = bll.GetModel(id);                Response.Clear();
                Response.Charset = "GBK";
                Response.ContentEncoding = System.Text.Encoding.UTF8;
                Response.(Common.ConfigHelper.GetConfigString("UpFiles") + "/" +file.FilePath.ToString());
                Response.End();
            }
            catch (Exception ex)
            {
                string err = ex.Message;
            }
        }
    }

Answer 1

Request.Files[0].SaveAs(Server.MapPath(路径));