C#.net json 反序列 解析

//定义实体类

public class Logs //父类
{
public string[] types { get; set; }
 public Row[] rows { get; set; }
 }

public class Row //子类
{
public string IP { get; set; }
 public string NAME { get; set; }
 public string YONGTU { get; set; }
 public string DIR { get; set; }
 public string OWNER { get; set; }
 public string FENZU { get; set; }
 public string QIDONG { get; set; }
 public string PTYPE { get; set; }
 public int LEVEL { get; set; }
 public string BEIZHU { get; set; }
 }

protected void Page_Load(object sender, EventArgs e)
 {

 string Sqlstr ="http://192.168.1.4:8090/Derby_JQuery?sqlSTR=Select * From dbo.Logs";
 WebClient wc = new WebClient();
 string json = wc.DownloadString(Sqlstr);
 var data = JsonConvert.DeserializeObject(json);
 }