private void btnInPhieu_Click(object sender, EventArgs e) { int count = lsvBill.Items.Count; if (alow == true && count > 0) { E_hoaDon = new HoaDon(hoaDon, MaNV, soBan, Tong, DateTime.Now, false); hdBus.ThemHoaDon(E_hoaDon, TableHoaDon); hdBus.SaveHoaDon(TableHoaDon); foreach (ListViewItem item in lsvBill.Items) { string maSP = item.SubItems[4].Text; int soLuong = int.Parse(item.SubItems[1].Text); E_hoaDonChiTiet = new HoaDonChiTiet(hoaDon, maSP, soLuong); hdctBus.ThemHoaDonChiTiet(E_hoaDonChiTiet, TableHoaDonChiTiet); } hdctBus.SaveHoaDonChiTiet(TableHoaDonChiTiet); E_Ban = new Ban(soBan, true); banBus.CapNhatTinhTrangBan(E_Ban, TableBan); banBus.SaveBan(TableBan); btnInPhieu.Enabled = false; btnThem.Enabled = false; btnGiam.Enabled = false; btnThanhToan.Enabled = true; alow = false; } }