private void button9_Click_1(object sender, EventArgs e)
        {
            MdApi md  = MdApi.Instance;
            int   ret = md.Init("*****@*****.**", "Chs771005", MDMode.MD_MODE_NULL);

            if (ret != 0)
            {
                //登录失败
                return;
            }
            List <StockAdjustFactor> stockAdjs = md.GetStockAdj("SZSE.300044", "2018-01-01", "2018-08-06");

            ShowData(stockAdjs.OfType <object>().ToList());
        }