以下是部分代码        foreach (DataRow row in myRow)
        {
            ls_item = row["grzh"].ToString() + " " + "\t";
            ls_item = ls_item + row["zgxm"].ToString() + " " + "\t";
            ls_item = ls_item  + row["sfzh"].ToString()  + "\t";
            ls_item = ls_item + Convert.ToDouble(row["grjce"]).ToString("0.00") + " " + "\t";
            ls_item = ls_item + Convert.ToDouble(row["dwjce"]).ToString("0.00") + " " + "\t";
            ls_item = ls_item + Convert.ToDouble(row["yjce"]).ToString("0.00") + " " + "\t";
            ls_item = ls_item + Convert.ToDouble(row["gzze"]).ToString("0.00") + " " + "\t";
            ls_item = ls_item + Convert.ToDouble(row["dqye"]).ToString("0.00") + " " + "\t" + "\n";
            resp.Write(ls_item);
            ls_item = "";
        }
        resp.End();每行的身份证号变成了科学计数法,怎样强行不用科学计数法?