Json数据转换list对象实现思路及代码

[{"cId":2,"cName":"/u767d/u841d/u535c","amount":26,"price":"17"},{"cId":3,"cName":"/u80e1/u841d/u535c","amount":21,"price":"21"},{"cId":4,"cName":"/u7389/u7c73","amount":7,"price":"23"},{"cId":14,"cName":"/u897f/u74dc","amount":7,"price":"29"},{"cId":5,"cName":"/u571f/u8c46","amount":3,"price":"24"},{"cId":1,"cName":"/u8349/u8393","amount":427,"price":"27"},{"cId":10,"cName":"/u5357/u74dc","amount":303,"price":"30"},{"cId":11,"cName":"/u82f9/u679c","amount":1,"price":"24"},{"cId":23,"cName":"/u77f3/u69b4","amount":4,"price":"54"},{"cId":18,"cName":"/u6843/u5b50","amount":3,"price":"40"},{"cId":15,"cName":"/u9999/u8549","amount":9,"price":"32"},{"cId":13,"cName":"/u8461/u8404","amount":7,"price":"47"},{"cId":26,"cName":"/u67da/u5b50","amount":1,"price":"58"},{"cId":27,"cName":"/u83e0/u841d","amount":5,"price":"62"},{"cId":19,"cName":"/u6a59/u5b50","amount":27,"price":"41"}]

private void Form1_Load(object sender, EventArgs e)
{
string _JsonText = System.IO.File.ReadAllText(@"C:/2.TXT");
List<Test> _Test = new List<Test>();
DataContractJsonSerializer _Json = new DataContractJsonSerializer(_Test.GetType());
byte[] _Using = System.Text.Encoding.UTF8.GetBytes(_JsonText);
System.IO.MemoryStream _MemoryStream = new System.IO.MemoryStream(_Using);
_MemoryStream.Position = 0;
_Test =(List<Test>)_Json.ReadObject(_MemoryStream);
}
public class Test
{
public int cId = 0;
public string cName = "";
public int amount = 0;
public string price = "";
}