asp.net 绑定DropDownList

  protected void BindBankAccount()
    {
        DropDownList_bank.Items.Clear();
        ListItem initItem = new ListItem("--请选择--", "-1");
        DataTable dt = Lms.DAL.BankAccount.GetList(" and status=1");
        DropDownList_bank.Items.Add(initItem);

        if (dt != null && dt.Rows.Count > 0)
        {
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                ListItem item = new ListItem();
                item.Value = dt.Rows[i]["id"].ToString();
                item.Text = dt.Rows[i]["bank"].ToString() + "：" + dt.Rows[i]["accountno"].ToString();
                DropDownList_bank.Items.Add(item);
            }
        }
    }