private void DatahHandle()
{
MonthText();
CreditItem.MonthsPeriod = this.MonthCount;
CreditItem.AmountIssue = this.Cash;
CreditItem.Cash = this.Cash;
MonthlyPayment = Interest.CreditRate(CreditItem);
CreditItem.RepayALoan = MonthlyPayment * MonthCount;
CreditItem.MonthlyPayment = MonthlyPayment;
}