How to add "item" from grid to arr coll by required data from it?

row = $("input:checked", grid.tbody).closest("tr")
				grid = $("#grid").data("kendoGrid"),
				Item = grid.dataItem(row);


var itmSlno = item.Slno;        ----line 1
var itmReqNumber = item.strReqNumber; ----line 2

itemss.push(itmSlno + '' + itmReqNumber)