protected void submitEditLanMu_Click(object sender, EventArgs e)
    {
        Lanmu l = new Lanmu();

        l.lanMuName = editLanMu.Text;
        l.lanMuId   = Convert.ToInt32(Request.QueryString["id"].ToString());
        if (Lanmu.editLanMu(l) == true)
        {
            Response.Write("<script>alert('修改成功!')</script>");
        }
        else
        {
            Response.Write("<script>alert('修改失败!')</script>");
        }
    }