public static void QLPC(Database database) { while (true) { Console.Clear(); ConsoleView.Menu("0:Thoat", "1:xoa", "2:them", "3:sua"); PhanCong.PrintTable(database.PhanCongs); Console.Write("chon mode:"); string i = Console.ReadLine(); if (i == "0") { break; } if (i == "1") { string idnv = NhapXoaID("NhanVien", database); if (idnv == string.Empty) { continue; } string idb = NhapXoaID("Ban", database); if (idb == string.Empty) { continue; } if (PhanCong.Find(idnv, idb, database) == null) { continue; } PhanCong.Delete(idnv, idb, database); } if (i == "2") { string ID = NhapXoaID("NhanVien", database); if (ID == string.Empty) { continue; } string idban = NhapXoaID("Ban", database); if (idban == string.Empty) { continue; } if (Ban.Find(idban, database).PhanCong.NhanVien != null) { Console.WriteLine("Ban Nay Da Co NV Phu Trach"); Console.Read(); continue; } if (PhanCong.Find(ID, idban, database) != null) { Console.WriteLine("Da Ton Tai Phan Cong Nay"); Console.Read(); continue; } Console.Write("Nhap ca lam"); string ca = Console.ReadLine(); PhanCong.Add(new PhanCong(NhanVien.Find(ID, database), Ban.Find(idban, database), ca, DateTime.Now), database); } if (i == "3") { string ID = NhapXoaID("NhanVien", database); if (ID == string.Empty) { continue; } string idban = NhapXoaID("Ban", database); if (idban == string.Empty) { continue; } if (PhanCong.Find(ID, idban, database) == null) { Console.WriteLine("Khong ton tai phan khong nay"); Console.Read(); continue; } Console.Write("nhap ca lam:"); string ca = Console.ReadLine(); PhanCong.Update(ID, idban, new PhanCong(NhanVien.Find(ID, database), Ban.Find(idban, database), ca, DateTime.Now), database); } } }