public List <Konto> GetKonta()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBKonto, Konto>
                   .Restrict(ctx.Konto, RestrictReadKonto));
        }
        public List <Klient> GetKlienty()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBKlient, Klient>
                   .Restrict(ctx.Klient, RestrictReadKlient));
        }
        public List <zam_prod> GetZam_prody()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBzam_prod, zam_prod>
                   .Restrict(ctx.zam_prod, RestrictReadZam_pod));
        }
        public List <Zamowienia> GetZamowienia()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBZamowienia, Zamowienia>
                   .Restrict(ctx.Zamowienia, RestrictReadZamowienia));
        }
        public List <Produkt> GetProdkuty()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBProdukt, Produkt>
                   .Restrict(ctx.Produkt, RestrictReadProdukt));
        }
        public List <Pracownik> GetPracownicy()
        {
            if (this.konto == null)
            {
                return(null);
            }

            return(Restricter <DBPracownik, Pracownik>
                   .Restrict(ctx.Pracownik, RestrictReadPracownik));
        }