private void label2_Click(object sender, EventArgs e)
        {
            this.Hide();
            PrisijungimasForm prisijungimas = new PrisijungimasForm();

            prisijungimas.Show();
        }
        private void labelAtsijungti_Click(object sender, EventArgs e)
        {
            this.Hide();
            PrisijungimasForm form1 = new PrisijungimasForm();

            form1.Show();
        }