using System.Runtime.Serialization;

[Serializable()]

    public class Employee : ISerializable //derive your class from ISerializable
    {
        public int EmpId;
        public string EmpName;

        //Default constructor

        public Employee()
        {
            EmpId = 0;
            EmpName = null;
        }
        //Deserialization constructor.

        public Employee(SerializationInfo info, StreamingContext ctxt)
        {
            //Get the values from info and assign them to the appropriate properties

            EmpId = (int)info.GetValue("EmployeeId", typeof(int));
            EmpName = (String)info.GetValue("EmployeeName", typeof(string));
        }

        //Serialization function.

        public void GetObjectData(SerializationInfo info, StreamingContext ctxt)
        {
            //You can use any custom name for your name-value pair. But make sure you

            // read the values with the same name. For ex:- If you write EmpId as "EmployeeId"

            // then you should read the same with "EmployeeId"

            info.AddValue("EmployeeId", EmpId);
            info.AddValue("EmployeeName", EmpName);
        }

    }