public bool SendBillByEmail1(string toMail, string name_customer, string phone, string address, string id_sim, DateTime date_ex, DateTime invoice_date, DateTime date_cut, int postage, int fare)
 {
     bill_dal.setBill(id_sim, date_ex, invoice_date, date_cut, postage, fare, false);
     return(bill_dal.SendBillByEmail1(toMail, name_customer, phone, address));
 }