private void btnHoanVe_Click(object sender, EventArgs e) { QuanLy.HoanVe(dataGridView3, cbbMaVe); QuanLy.CapNhatVe(dataGridView3, cbbMaCB, cbbMaVe); }
private void btnThanhToan_Click(object sender, EventArgs e) { QuanLy.ThanhToan(dataGridView3, cbbMaVe); QuanLy.CapNhatVe(dataGridView3, cbbMaCB, cbbMaVe); }