Bug fix for ReportTable.
Bug fix for ReportTable.

- When the selected index is no longer available, it will update
  to the largest index.

OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer,OverheadTransmissionLineSoftware/SpanAnalyzer