protected void btnCar_Click(object sender, EventArgs e)
        {
            TJDAL dal = new TJDAL();
            List<CheckModelExt> lm = dal.GetTDictionaryIDByParentID("MaterialType-9999");

            string ret = "";
            for (int i = 0; i < lm.Count; i++)
            {
                ret += lm[i].ID.ToString() + "','";
            }
            ret = ret.TrimEnd(',');

            type = ret;
            Data_Binding(type);
        }