public DashboardWindow() { InitializeComponent(); Global.Books = SachBUS.loadAll(); Global.Categories = TheLoaiBUS.loadAllAndConvertToFillCombobox(); Global.BookCategories = TheLoaiBUS.loadAll(); Global.Customers = KhachHangBUS.loadAll(); KiemTraQuyDinh kt = QuyDinhBUS.loadKiemTraQuyDinh(); Global.ControlRules = kt; var rules = QuyDinhBUS.loadQuyDinh(); Global.quyDinh = rules; Global.BookBoughtBills = new List <ChiTietHoaDonBanSachDTO>(); }