protected void ddlFinishGoods_SelectedIndexChanged(object sender, EventArgs e)
 {
     try
     {
         string          Ocode       = Convert.ToString(((SessionUser)Session["SessionUser"]).OCode);
         int             finishGoods = Convert.ToInt16(ddlFinishGoods.SelectedValue);
         List <ItemList> Goods       = _Buyerbll.MeasurementParameter(Ocode, finishGoods).ToList();
         if (Goods.Count > 0)
         {
             grdMeasurement_Parameter.DataSource = Goods;
             grdMeasurement_Parameter.DataBind();
         }
         else
         {
             grdMeasurement_Parameter.DataSource = null;
             grdMeasurement_Parameter.DataBind();
         }
     }
     catch (Exception)
     {
         throw;
     }
 }