@Override
        public Object getValueAt(int rowIndex, int columnIndex) {
            Cause cause = causes.get(rowIndex);
            switch (columnIndex) {
                case 0:
                    return rowIndex+1;
                case 1:
                    return cause.getRegnum();
                case 2:
                    return cause.getBeginDate();
                case 3:
                    return cause.getStartDate();
                case 4:
                    return cause.getEstimateDate();
                case 5:
                    return cause.getProcId();
                case 6:
                    return cause.getTotalCharge();
                default:
                    return null;
            }
        }