private void AC_Btn_gotoProducts_Click(object sender, EventArgs e)
 {
     this.Close();
     Customers customersForm = new Customers();
     customersForm.Show();
 }
 private void H_Btn_Customers_Click(object sender, EventArgs e)
 {
     this.Hide();
     Customers customersForm = new Customers();
     customersForm.Show();
 }