public DataBaseController()
        {
            SalRepo = new SalRepository();
            KatRepo = new KategoriRepository();
            OERepo  = new ODEONEventRepository();
            GGRepo  = new GodtGørelsesRepository();

            LoadConnectionString();
        }
        public DataBaseController(SalRepository SR, KategoriRepository KR, ODEONEventRepository OER, GodtGørelsesRepository GGR)
        {
            SalRepo = SR;
            KatRepo = KR;
            OERepo  = OER;
            GGRepo  = GGR;

            LoadConnectionString();
        }