getRRN( row )
This method will return the relative record number (RRN) for the given row number.
Parameters:
row = the row number of the grid after the data has been filtered and sorted.
Return Value:
Returns the relative record number (RRN) value corresponding to that row number value. This number should match the RRN used in your RPG program when the record was written.
Example:
var row = 3;
var rrn = getObj("Grid1").grid.getRRN(row);
// rrn = 17