protected void BtnSelect_Click(object sender, EventArgs e)
    {
        string Rgrade    = DDLgrade.SelectedValue;
        string selectStr = SelectTyper();

        if (Rgrade != "")
        {
            string             hid  = Request.Cookies[LearnSite.Common.CookieHelp.teaCookieNname].Values["Hid"].ToString();
            LearnSite.BLL.Room rbll = new LearnSite.BLL.Room();
            rbll.SetRtyper(Int32.Parse(Rgrade), selectStr, Int32.Parse(hid));
            LearnSite.Common.WordProcess.Alert("设置成功!", this.Page);
        }
    }