String function ( ) { assert _rowSource != null ; return _rowSource . value ( _index ) ; }
return my column value from the current row of my tableiterator . this column must be resolved . concode_field_sep TableIterator _rowSource concode_elem_sep Table _table concode_elem_sep int _index concode_elem_sep String _columnName concode_field_sep void resolve concode_elem_sep String name