private void BindGrid(string strtid)
        {
            cd_thermal_batch     ctb  = new cd_thermal_batch();
            cd_thermal_indicator ctic = new cd_thermal_indicator();

            secondGrid.DataSource = ctic.getBindGridDataAsdt(strtid);
            secondGrid.DataBind();

            mainGrid.DataSource = ctb.getBindGridDataAsdt(strtid);
            mainGrid.DataBind();
        }