static void Main(string[] args) { List <SinhVien> listSV = new List <SinhVien>() { new SinhVien("111", "Nguyen Van A", "1/1/1999", "KTX DHQG", 01234567), new SinhVien("112", "Nguyen Van B", "2/1/1999", "KTX DHQG", 01234567), new SinhVien("113", "Nguyen Van C", "3/1/1999", "KTX DHQG", 01234567), new SinhVien("114", "Nguyen Van D", "4/1/1999", "KTX DHQG", 01234567), new SinhVien("115", "Nguyen Van E", "5/1/1999", "KTX DHQG", 01234567), }; //Xuat thong tin danh sach Console.WriteLine("Danh sach cac sinh vien : "); foreach (var sv in listSV) { sv.XemThongTin(); } //Them sinh vien SinhVien newSV = new SinhVien("116", "Nguyen Van F", "6/1/1999", "KTX DHQG", 01234567); if (SinhVien.ThemSinhVien(newSV, listSV)) { Console.WriteLine("Them thanh cong!"); } else { Console.WriteLine("Them khong thanh cong!"); } //Update sinh vien SinhVien updateSV = new SinhVien("118", "Nguyen Van T", "6/1/1999", "KTX DHQG", 01234567); if (SinhVien.ThemSinhVien(updateSV, listSV)) { Console.WriteLine("Sua thanh cong!"); } else { Console.WriteLine("Sua khong thanh cong!"); } //Tim sinh vien SinhVien.TimSinhVien("111", listSV); }