public Customer GetCustomerByTcNo(long tcNo)
        {
            Customer c = new Customer();

            c.TCNo = tcNo;


            BankServiceClient bankService = new BankServiceClient();
            List <Gateway.BankServiceReferance.WorkingBank> workingBanks = bankService.GetWorkingBankByTcNo(tcNo).ToList();
            List <Bank> banks = new List <Bank>();

            banks = workingBanks.Select(i => new Bank()
            {
                BankID   = i.BankId,
                BankaAdi = i.BankName
            }).ToList();
            c.WorkingBanks = banks;

            CreditNoteServiceClient creditNoteService = new CreditNoteServiceClient();

            c.CreditNote = creditNoteService.GetCreditNote(tcNo);

            CustomerModel cm = new CustomerModel();

            c.CustomerName = cm.GetCustomerNameByTcNo(tcNo);

            return(c);
        }