Get the checked checkbox list order using javascript

Question

i have one grid with One CheckBox and textbox. i want to get the checkbox checked order in the textbox. My code is shown below. Any one can help me??

 

 

function GenerateOrderNo() {

var GridView = document.getElementById('<%=grvbatch.ClientID %>')

var Order;

var cellToCheck;

var cellToAssign;

var count = 0;

if (GridView.rows.length > 0) {

alert(GridView.rows.length);

for (Row = 1; Row < GridView.rows.length; Row++) {

txtOrder = GridView.rows[Row].cells[1].childNodes[Row];

cellToCheck = GridView.rows[Row].cells[0];

if (cellToCheck.childNodes[Row].type == "checkbox") {

if (cellToCheck.childNodes[Row].checked == true) {

// alert("Yes");

Order = Row + 1;

alert(Order);

txtOrder.value = Order;

// alert(Order);

}

else {

txtOrder.value = "";

}

}

}

}

}

</script>