private void LoadSpareIncome()
        {
            da = new DataAccess();
            List<SpareIncomeView> list = da.SpareIncomeGetAll();
            foreach (SpareIncomeView s in list)
            {
                string strDate = "";
                strDate += s.Date.Year + ".";
                if (s.Date.Month < 10)
                    strDate += "0";
                strDate += s.Date.Month + ".";
                if (s.Date.Day < 10)
                    strDate += "0";
                strDate += s.Date.Day;

                s.DateString = strDate;
            }
            dgSpareMovementIn.DataContext = list.OrderByDescending(s => s.Date);
        }