DataTable to List to Json

DataTable to List

var r = Shared.Process(this.ws, "TraBULLETINGet", form);

List<Bulletin> bulletin = new List<Bulletin>();

foreach (DataRow dr in r.ds.Tables["T1"].Rows)
 {
   bulletin.Add(new Bulletin { TITLE = dr["TITLE"].ToString(), DES = dr["DES"].ToString(), CREATE_DATE = dr["CREATE_DATE"].ToString() });
 }

var jsonSerialiser = new JavaScriptSerializer();
var json = jsonSerialiser.Serialize(bulletin);

public class Bulletin
 {
     public string TITLE { get; set; }
     public string DES { get; set; }
     public string CREATE_DATE { get; set; }
 }