private void pictureBox2_Click(object sender, EventArgs e)
        {
            Add_Manager AM = new Add_Manager();

            AM.ShowDialog();
        }
        private void clientToolStripMenuItem_Click(object sender, EventArgs e)
        {
            Add_Manager AM = new Add_Manager();

            AM.ShowDialog();
        }
        private void panel4_MouseClick(object sender, MouseEventArgs e)
        {
            Add_Manager am = new Add_Manager();

            am.ShowDialog();
        }
        private void metroButton2_Click(object sender, EventArgs e)
        {
            Add_Manager AM = new Add_Manager();

            AM.ShowDialog();
        }