How to add gridview textbox values on textchange by java script

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Hi,

I have grid view and all column contains dynamic text box.

I want to calculate(Add) all the Grid view text box values and want to store in one label in side grid for every row..

How to calculate...?

Posted 4-Oct-13 23:55pm

ErBhati

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JoCodes 5-Oct-13 5:58am

whats the code you have tried so far???

ErBhati 5-Oct-13 6:27am

ErBhati 5-Oct-13 6:28am

but it gives error....

The Controls collection cannot be modified because the control contains code blocks (i.e. <% ... %>).

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Ajay_Saini · Answer 1 · 2013-10-05T01:56:00

Hi,
use this script by using JQuery

C#

function calculateGrandTotal() {
           var Amount = 0;
           $("#ctl00_MainContent_grid input[name*='txtAmount']").each(function (index) {
               //Check if number is not empty
               if ($.trim($(this).val()) != "")
               //Check if number is a valid integer
                   if (!isNaN($(this).val()))
                       Amount = Amount + parseFloat($(this).val());

           });

//this is used to display the sum of your value in label lbldisplay
           $("#ctl00_MainContent_grid span[id*='lblDisplay']").text(Amount);
       }

now call this function on javascript by using javascript event onkeyup='calculateGrandTotal();'