How to retrieve multiple selected records from the Grid through X++ in AX 2012

    int                recordsCount;

    SalesLine    salesline;

    recordsCount = salesline_ds.recordsMarked().lastIndex();  // Total no of marked records.

    salesline = salesline_ds.getFirst(1);

    while (salesline)

    {

         info(strFmt(“%1 : %2”,_salesLine.ItemId, _salesLine.LineNum));

        salesline = salesline_ds.getNext();

    }