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; } }