private void buttonUserDelete_Click(object sender, EventArgs e) { if (DBController.TryCheckOpenBookingsCustomer(FormController.CurrentCustomer, out bool result) && !result) { if (Feedback.AskOwnCustomerDelete() == DialogResult.Yes) { if (DBController.TryDeleteUser(FormController.CurrentCustomer)) { Feedback.SuccessOwnCustomerDelete(); FormController.MainView.Close(); } else { Feedback.ErrorDatabaseCustomersDelete(); } } } else { Feedback.ErrorCustomerDeleteHimselfOpenBookings(); } }