private void btnDodaj_Click(object sender, EventArgs e)
        {
            frmAddUser frm = new frmAddUser();

            frm.ShowDialog();
            using (DBBL data = new DBBL())
            {
                dtvKorisnici.DataSource = null;
                dtvKorisnici.DataSource = data.getKorisnikByAnyParameter(tboxPretraga.Text);
                KorisniciTableWidth();
            }
        }
        private void dodajToolStripMenuItem_Click(object sender, EventArgs e)
        {
            frmAddUser frm = new frmAddUser();

            frm.ShowDialog();
        }