public void xulyxe(ref QuanLyXe ql)
{
bool quaylai;
do
{
int tt = MenuXe();
quaylai = false;
switch (tt)
{
case 1: ql.nhap(); Console.ReadKey(); break;
case 2: ql.hien(); Console.ReadKey(); break;
case 3: ql.UpDaTeBsx(); Console.ReadKey(); break;
case 4: ql.xoa(); Console.ReadKey(); break;
case 5: quaylai = true; break;
case 6: Environment.Exit(0); Console.ReadKey(); break;
}
Console.Clear();
} while (quaylai == false);
}
