How to calculate sum of textboxes of gridview in one column using javascript

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I want to calculate sum of textboxes in single column of gridview using javaScript.
When value of any textbox changes the value will be automatically calculated with new one...

I tried the script

C#

function CalculateTotals() {
           alert("dfhg");
           var grid = document.getElementById("rptExpense");
           var txt = document.getElementById("txtVFareTotal");
           alert(txt.value);
           for (var i = 0; i < 6; i++) {
               var val = grid.rows[i].columns[3].getElementById("txtexpense");
               alert(val.value);
           }

Plz help

Posted 17-Sep-13 23:00pm

sumit wagh

Updated 17-Sep-13 23:17pm

v2

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Thanks7872 18-Sep-13 5:04am

Have you tried some thing?

sumit wagh 18-Sep-13 5:12am

yes i tried so may ways but cant find textbox values in gridview

Thanks7872 18-Sep-13 5:14am

Use improve question widget above and post the relevant code you have implemented till now and point out the problem you faced/suspected.

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harirg · Answer 1 · 2013-09-18T03:12:00

Hey Sumit,

You can use jquery which is easy to use and need to write less lines of code. Use any class like 'Amount' on text boxes and use that class in jquery selector.

JavaScript

function CalculateTotals() {
           
         var total=0;
           $('.Amount').each(function(){
              total+=parseFloat($(this).val());
           });
$("#txtVFareTotal").val(total);
}

I hope it will work for you.