// Get all selected row
var rows = $(selector).jqGrid("getGridParam", "selarrrow");
console.log(rows);

// Iterate and delete
for (var i in rows) {
      console.log(i);
      console.log(rows[i]);
      $(selector).jqGrid(‘delRowData’, rows[i]);
}

/**
 * Delete data button handler
 * There is a bug if we delete by forloop, solution
 * http://www.trirand.com/blog/?page_id=393/bugs/delrowdata-bug-on-grid-with-multiselect
 */
$("a.delete-data").click(function(e) {
    e.preventDefault();

    var rowids = $(selector).jqGrid(‘getGridParam’, ‘selarrrow’);
    for (var i = rowids.length – 1; i >= 0; i–) {
        $(selector).jqGrid(‘delRowData’, rowids[i]);
    }
});