private void mnuUpdateCustomer_Click(object sender, EventArgs e)
        {
            FrmUpdateCustomer UpdateCustomer = new FrmUpdateCustomer();

            UpdateCustomer.Show();
            this.Hide();
        }
        private void updateCustomerToolStripMenuItem_Click(object sender, EventArgs e)
        {
            FrmUpdateCustomer updateCust = new FrmUpdateCustomer();

            updateCust.Show();
            this.Hide();
        }
        private void mnuUpdateCustomer_Click(object sender, EventArgs e)
        {
            Reusable.resetupdate();
            FrmUpdateCustomer updatecust = new FrmUpdateCustomer();

            updatecust.Show();
            this.Hide();
        }