public class Department

    {

        private int _DepartID;

        private string _DepartName;

        private string _DepartDescp;

       public int DepartmentID

        {

            get { return _DepartID; }

            set { _DepartID = value; }

        }             

​

        public string DepartmentName

        {

            get { return _DepartName; }

            set { _DepartName = value; }

        }      

​

        public string DepartDescription

        {

            get { return _DepartDescp; }

            set { _DepartDescp = value; }

        }

        public override string ToString()

        {

            return this.DepartmentID + " " + this._DepartName  +" " +   this.DepartDescription; 

        }

​

        List<employee> EmployeeList=new List<employee>();

​

        public  List<employee> Empoyees(Employee objEmp)

        {

            EmployeeList.Add(objEmp);

            return EmployeeList;

        }                   

    }