private void button2_Click(object sender, EventArgs e)
        {
            this.Hide();
            FormCustomerRecord2 f1 = new FormCustomerRecord2();

            f1.Show();
        }
        private void button6_Click(object sender, EventArgs e)
        {
            FormCustomerRecord2 f1 = new FormCustomerRecord2();

            f1.Show();
        }