public class Personnel
 {
 public int Id { get; set; }
 public string Name { get; set; }
 }

执行序列化反序列化：

protected void Page_Load(object sender, EventArgs e)
 {
 Personnel personnel = new Personnel();
 personnel.Id = 1;
 personnel.Name = "小白";
 JavaScriptSerializer jsonSerializer = new JavaScriptSerializer();
 //执行序列化
 string r1 = jsonSerializer.Serialize(personnel);

 //执行反序列化
 Personnel _Personnel = jsonSerializer.Deserialize<Personnel>(r1);
 }

r1输出结果：{"Id":1,"Name":"小白"}
可以使用 ScriptIgnore属性标记不序列化公共属性或公共字段。

 public class Personnel
 {
 [ScriptIgnore]
 public int Id { get; set; }
 public string Name { get; set; }
 }

r1输出结果：{"Name":"小白"}

方法二：引入 System.Runtime.Serialization.Json命名空间使用 DataContractJsonSerializer类实现序列化

序列化类：People

 public class People
 {
 public int Id { get; set; }
 public string Name { get; set; }
 }

执行序列化反序列化

protected void Page_Load(object sender, EventArgs e)
 {
 People people = new People();
 people.Id = 1;
 people.Name = "小白";

 DataContractJsonSerializer json = new DataContractJsonSerializer(people.GetType());
 string szJson = "";
 //序列化
 using (MemoryStream stream = new MemoryStream())
 {
 json.WriteObject(stream, people);
 szJson = Encoding.UTF8.GetString(stream.ToArray());
 }
 //反序列化
 using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(szJson)))
 {
 DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(People));
 People _people = (People)serializer.ReadObject(ms);
 }
 }

szJson输出结果：{"Id":1,"Name":"小白"}

可以使用IgnoreDataMember:指定该成员不是数据协定的一部分且没有进行序列化，DataMember:定义序列化属性参数，使用DataMember属性标记字段必须使用DataContract标记类 否则DataMember标记不起作用。

[DataContract]
 public class People
 {
 [DataMember(Name = "id")]
 public int Id { get; set; }
 [IgnoreDataMember]
 public string Name { get; set; }
 }

输出结果: {"id":1}

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