private static void SuaThongTinSinhVien()
{
SinhVien ti = new SinhVien()
{
MaSV = "002",
TenSV = "Tran Thi Ti",
DiaChi = "HCM",
NgaySinh = new DateTime(2000, 2, 1),
SDT = "0123456788"
};
SinhVien.SuaSinhVien(ti);
}