Step 1-Write Below Code in Application where Data is fix.If required you can change static data in dynamic.
Step 2-Output Data is in JSon which is Available below.
public class Student{public int Id { get; set; }public string Name { get; set; }public string fatherName { get; set; }public DateTime? BirthDate { get; set; }public string Phone { get; set; }public Student(){Id = 123; Name = "XYZ";fatherName = "ABC"; BirthDate = new DateTime(1991, 5, 13); Phone = "12345678";}public Student(int id, string name,String FatherName, DateTime? dob, string phone){Id = id; Name = name;fatherName= FatherName; BirthDate = dob; Phone = phone;}}public class StudentRecord{public IEnumerable<Student> Students { get; set; }public StudentRecord(){Students = new List<Student>{new Student(1213, "ABC","vbs", new DateTime(1991, 7, 18), "123432123"),new Student(23412, "vtyd","aghgh", new DateTime(1998, 11, 21), "123432123"),new Student(2345, "ghghgh","hjhj", new DateTime(1997, 3, 9), "767678445"),};}}
Step 2-Output Data is in JSon which is Available below.
{"Id": 123,"Name": "XYZ","fatherName": "ABC","BirthDate": "1991-05-13T00:00:00","Phone": "12345678"}{"Students": [{"Id": 1213,"Name": "ABC","fatherName": "vbs","BirthDate": "1991-07-18T00:00:00","Phone": "123432123"},{"Id": 23412,"Name": "vtyd","fatherName": "aghgh","BirthDate": "1998-11-21T00:00:00","Phone": "123432123"},{"Id": 2345,"Name": "ghghgh","fatherName": "hjhj","BirthDate": "1997-03-09T00:00:00","Phone": "767678445"}]}