static void Main(string[] args)
{
QuanLy quanly = new QuanLy();
KhachHang kh = new KhachHangVN(631, "bui the minh hieu", 5, 6000, 100, "hocsinh");
quanly.NhapTTKhachHang();
quanly.ThemKH(kh);
quanly.XoaKH(631);
quanly.dsCuoiCung();
}
public void NhapTTKhachHang()
{
Console.WriteLine("Nhap so luong khach hang: ");
int n = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < n; i++)
{
Console.WriteLine("Nhap thong tin khach hang thu {0}:", i + 1);
KhachHang kh = new KhachHangVN();
kh.Nhap();
dsKhachHang.Add(kh);
}
}