public ValueEval getItem(int index) {if(index > _size) {throw new ArrayIndexOutOfBoundsException("Specified index (" + index+ ") is outside the allowed range (0.." + (_size-1) + ")");}return _tableArray.getValue(index, _columnIndex);}
public ValueEval GetItem(int index){if (index > _size){throw new IndexOutOfRangeException("Specified index (" + index+ ") is outside the allowed range (0.." + (_size - 1) + ")");}return _tableArray.GetRelativeValue(index, _columnIndex);}