getSelectedRows()

Returns an array containing the relative record numbers of all rows currently selected with the "row selection" feature.

Return Value:

an array numbers containing the RRNs of the rows that have been selected. This will be the same RRN that was used when writing the row from your program.
or, an empty array if no rows are selected.

Example:

var myGrid = getObj("Grid1");
var myArray = myGrid.grid.getSelectedRows();

for (var i=0; i<myArray.length; i++) {

   var rrn = myArray[i];
   // row 'rrn' was selected. Get the "CUSTNO" field from that row.

   var custno = myGrid.grid.getDataValue(rrn, "CUSTNO");
   // do something with 'custno' here.

}