How to show total of a textbox value in a footer label in textbox changed event

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hi,

I have a grid with 3 columns. while entering into a textbox, will change other amount column value. Amount column is read only. Then sum of this textbox must be update in the label of a footer in textbox changed event .

please help me..

Thanks in advance..

Vineetha

Posted 24-Jul-14 7:59am

Vineetha Ravindranath

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Maciej Los 24-Jul-14 16:13pm

Not a question at all!

2 solutions

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KaushalJB · Answer 1 · 2014-07-24T19:41:00

Solution 1

You need to write javascript or jquery for this rather then writing on textbox change event, second thing make sure you put some code in your question that you have tried uptill now, don't just describe in words what you want.

Refer this links:
1. Calculate Row Total and Grand Total in ASP.Net GridView using jQuery

2. Gridview item template column total using jquery or javascript
3. Calculating GridView total using JavaScript/JQuery

Posted 24-Jul-14 19:41pm

KaushalJB

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Vineetha Ravindranath 25-Jul-14 7:42am

I can calculate the value.
I have to show grand total in footer label and in a textbox..

please check my script
<script type="text/javascript">
$(function () {
$("[id*=txtQuantity]").val("0");
});
$("[id*=txtQuantity]").live("change", function () {
if (isNaN(parseInt($(this).val()))) {
$(this).val('0');
} else {
$(this).val(parseInt($(this).val()).toString());
}
});
$("[id*=txtQuantity]").live("keyup", function () {
if (!jQuery.trim($(this).val()) == '') {
if (!isNaN(parseFloat($(this).val()))) {
var row = $(this).closest("tr");
var smt = parseFloat($("[id*=lblRate]", row).html()) * parseFloat($(this).val());
var hid = (parseFloat($("[id*=lblRate]", row).html()) * parseFloat($(this).val())).toFixed(2);
$("input[id*='txtAmount']", row).val(hid);

}
} else {
var row = $(this).closest("tr");
$("input[id*='txtAmount']", row).val("0");
$(this).val('');
}

var total = 0.00;
$("#gv1 input[id $= 'txtAmount']").each(function () {
var value = $(this).val();
total = parseFloat(total) + Math.round(parseFloat(value));
});
$("#lblTotalAmount").val(total);
$("#txtTotalAmount").val(total);
});
</script>

lblTotalAmount is footer label.

txtTotalAmount is a normal text box outside the gridview.

Arun Banik · Answer 2 · 2014-07-25T20:36:00

Hi,

You can do this by using Asp.Net and you probably do not need any client script do get the Sum of GridView Column values in the Footer. Its written both in C# and Vb.Net. It also handles "paging" issues, such as how to get the sum in each page of the GridView along with the Grand total, shown in every page (if GridView paging in enabled).

Happy coding.

Arun