protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { HttpSessionState state = HttpContext.Current.Session; myHKeInvestCode.getCurrency(state); // Get the available currencies to populate the DropDownList. DataTable dtCurrency = (System.Data.DataTable)state["currencies"]; foreach (DataRow row in dtCurrency.Rows) { ddlCurrency.Items.Add(row["currency"].ToString().Trim()); } } }