protected void getClassTwo()
        {
            string    sql = "SELECT DISTINCT TY_NAME FROM TBMA_TYPEINFO WHERE TY_FATHERNAME='" + DDLclass.SelectedItem.Text.ToString() + "'  ORDER BY TY_NAME";
            DataTable dt  = DBCallCommon.GetDTUsingSqlText(sql);

            DDLname.DataSource     = dt;
            DDLname.DataTextField  = "TY_NAME";
            DDLname.DataValueField = "TY_NAME";
            DDLname.DataBind();
        }
        protected void getClassTwo()
        {
            string    sql = "SELECT DISTINCT TY_NAME,TY_ID FROM TBMA_TYPEINFO WHERE TY_FATHERID='" + DDLclass.SelectedValue + "'  ORDER BY TY_NAME";
            DataTable dt  = DBCallCommon.GetDTUsingSqlText(sql);

            DDLname.DataSource     = dt;
            DDLname.DataTextField  = "TY_NAME";
            DDLname.DataValueField = "TY_ID";
            DDLname.DataBind();
            DDLname.Items.Insert(0, new ListItem("全部", ""));
            DDLname.SelectedIndex = 0;
        }