private void pretragaToolStripMenuItem2_Click(object sender, EventArgs e)
        {
            frmHoteli frm = new frmHoteli();

            //frm.MdiParent = this;
            //frm.WindowState = FormWindowState.Maximized;
            frm.Show();
        }
        private void btnHoteli_Click(object sender, EventArgs e)
        {
            frmHoteli frm = new frmHoteli();

            frm.Show();
        }