Winform 解析Json

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class Program
{
    static void Main(string[] args)
    {
        string json = "{\"data\":[{\"cId\":\"34234324\",\"Test\":\"aaaa\",\"Name\":\"dsddd\"},{\"cId\":\"23423423\",\"Test\":\"bbbb\",\"Name\":\"ssaas\"}]}";
        Test test = JsonUtil.GetObj<Test>(json);
        DataTable data = new DataTable();
        data.Columns.Add("cId");
        data.Columns.Add("Test");
        data.Columns.Add("Name");
        foreach (Item item in test.data)
            data.Rows.Add(new object[] { item.cId, item.Name, item.Test });

        Console.Read();
    }
}

[DataContract]
public class Test
{
    [DataMember]
    public List<Item> data { get; set; }
}

[DataContract]
public class Item
{
    [DataMember]
    public string cId { get; set; }
    [DataMember]
    public string Test { get; set; }
    [DataMember]
    public string Name { get; set; }
}

public class JsonUtil
{
    public static T GetObj<T>(string jsonText)
    {
        T obj = Activator.CreateInstance<T>();
        DataContractJsonSerializer ds = new DataContractJsonSerializer(typeof(T));
        using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonText)))
        {
            obj = (T)ds.ReadObject(ms);
        }
        return obj;
    }
}