public static void TongDoanhThu() { Console.WriteLine($"\t\t\t Doanh Thu Ca Nam: "); QuanLiHoaDon.DanhSachHoaDon(QuanLiHoaDon.lHoaDon); Console.WriteLine("\t\t\t ---------------------------------------------------"); Console.WriteLine($"\t\t\t Tong: | {QuanLiHoaDon.TinhTien(QuanLiHoaDon.lHoaDon), -12}"); Console.WriteLine("\t\t\t ---------------------------------------------------"); }
public static void DoanhThuTheoThang(string Thang) { List <HoaDon> lHD = QuanLiHoaDon.lHoaDon.FindAll(x => x.ThoiGian.Month.ToString() == Thang); if (lHD.Count != 0) { Console.WriteLine($"\t\t\t Doanh Thu Thang {Thang}: "); QuanLiHoaDon.DanhSachHoaDon(lHD); Console.WriteLine("\t\t\t ---------------------------------------------------"); Console.WriteLine($"\t\t\t Tong: | {QuanLiHoaDon.TinhTien(lHD), -12}"); Console.WriteLine("\t\t\t ---------------------------------------------------"); } else { Console.WriteLine($"Thang {Thang} Khong Co Doanh Thu"); } }