public bool NacistZamestnanceZTymu(int ID)
        {
            Collection <TymZamestnance> zamestnanci = TymZamestnanceTable.SeznamZamestnancuVTymu(ID);

            TymZamestnanceLB.Items.Clear();
            foreach (TymZamestnance zamestnanec in zamestnanci)
            {
                Zamestnanec z = ZamestnanecTable.Select(zamestnanec.ID_zamestnance);
                TymZamestnanceLB.Items.Add(z.ID_zamestnance + " " + z.Jmeno + " " + z.Prijmeni);
            }
            return(true);
        }