将列表集合显示到文本框

I have this class for Student

我有这个课程给学生

#region Person

    public class Person
    {
        public string firstName { get; set; }
        public string lastName { get; set; }
        public string Address { get; set; }
        public virtual void GetInfo()
        {
            Console.WriteLine("First Name: {0}", firstName);
            Console.WriteLine("First Name: {0}", lastName);
            Console.WriteLine("Address: {0}", Address);
        }
    }
    #endregion
    class

    #region Student
    public class Student : Person
    {

        public override void GetInfo()
        {
            // Calling the base class GetInfo method: 
            base.GetInfo();
        }
        public void TakeTest()
        {
            throw new NotImplementedException();
        }



        private List<Student> AllStudents = new List<Student>();
        public Student()
        {
            AllStudents.Add(this);

        }
        public List<Student> AllStudentsList
        {
            get
            {
                return AllStudents;
            }
            set
            {
                AllStudents = value;
            }
        }


    }
    #endregion
#re