private void newToolStripMenuItem_Click(object sender, EventArgs e)
        {
            customet_regitration cust = new customet_regitration();

            cust.ShowDialog();
        }
        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            customet_regitration user = new customet_regitration();

            user.ShowDialog();
        }