Json字符串格式化网址:https://www.json.cn/

    1. //序列化:
    2. string json = JsonConvert.SerializeObject(dt);
    3. Console.WriteLine(json);
    4. //反序列化:
    5. DataTable dt1 = JsonConvert.DeserializeObject<DataTable>(json);
    6. for (int i = 0; i < dt1.Rows.Count; i++)
    7. {
    8. DataRow dr = dt1.Rows[i];
    9. Console.WriteLine("{0}\t{1}\t{2}\t", dr[0], dr[1], dr[2]);
    10. }