public void PrepareNewTransaction()
{
Transaction transaction = new Transaction
{
CashboxId = _data.Cashbox.IdCashbox,
CashierId = _data.Cashier.IdCashier,
Date = DateTime.Now
};
TransactionClient transactionClient = new TransactionClient(_data.Token);
Transaction newTransaction = transactionClient.CreateNew(transaction);
_data.Transaction = newTransaction;
}