asp.net - 如何使用 ASP.NET 解析 JSON 字符串？

Question

我正在使用 Sendgrid API 发送和检索已发送邮件的统计信息。我想将 API 的响应存储在数据库中。

protected void btnBounces_Click(object sender, EventArgs e)
{
    try
    {
        string url = "https://api.sendgrid.com/api/bounces.get.json";
        GetResult(url);
    }
    catch (Exception ex)
    {
        lblError.Text = ex.Message.ToString();
    }
}
 public void GetResult(string url)
{
    string parameters = "api_user=xxxx&api_key=xxxx&date=1&start_date="+txtStartDate.Text+"&end_date="+txtEndDate.Text;
    // Start the request
    HttpWebRequest req = (HttpWebRequest)HttpWebRequest.Create(url);
    req.Method = "POST";
    req.ContentType = "application/x-www-form-urlencoded";
    StreamWriter streamWriter = new StreamWriter(req.GetRequestStream());
    streamWriter.Write(parameters);
    streamWriter.Flush();
    streamWriter.Close();
    // Get the response
    HttpWebResponse res = (HttpWebResponse)req.GetResponse();
    StreamReader streamReader = new StreamReader(res.GetResponseStream());
    string result = streamReader.ReadToEnd();
}

我会得到这样的回应:

[
  {
    "status": "4.0.0",
    "created": "2011-09-16 22:02:19",
    "reason": "Unable to resolve MX host sendgrid.ne",
    "email": "esting@sendgrid.ne"
  },
  {
    "status": "4.0.0",
    "created": "2011-09-19 17:47:15",
    "reason": "Connection timed out",
    "email": "rawest@gmail.co"
  }
]

如何提取四个字段中的每一个的值并将它们存储在包含四个字段的表中？

Answer 1

如果不想创建Movie类，可以使用System.Web.Script.Serialization解析得到dynamic对象。

JavaScriptSerializer js = new JavaScriptSerializer();
dynamic movie = js.Deserialize<dynamic>(json);