protected void Page_Load(object sender, EventArgs e) { Response.Cache.SetCacheability(HttpCacheability.NoCache); Response.Cache.SetExpires(DateTime.Now); aCenter = (DAL.DAO.Center)Session["CenterInfoDetails"]; centerName.Text = aCenter.Name; List <CenterMedicineStock> medicinStockList = aCenterManager.GetStock(aCenter); LoadDataGridView(medicinStockList); }