How to store checked checkbox values of a table to check in edit mode ?

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C#

When i am in Edit mode i have a Update Button which should be enabled only when checkboxes are changed for example there are 2 records in edit mode :

Branches ||      Manage           ||       Email
ABC      ||  (CheckBox Checked)   || (CheckBox UnChecked)
PQR      ||  (CheckBox UnChecked) || (CheckBox UnChecked)

Now only if i change any of the above checkboxes then only the Update button should be enabled. If i change but again i keep the same above checks then it should again be disabled as new changed value is same as the previous value

What I have tried:

I am using jquery on each tr click but i dont know how to store values of each checkbox of each tr to compare after values changed.

Posted 25-Sep-16 19:54pm

Abrar Kazi

Updated 25-Sep-16 20:09pm

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Karthik_Mahalingam · Accepted Answer · 2016-09-25T20:09:00

check this

<html>
<head title="">

    <script type="text/javascript" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.4.min.js"></script>
    <script>
        var initialstate = '';
        var changedstate = '';
        $(function () {
            $('.myclass').each(function (i, elem) {
                initialstate += (elem.checked ? '1' : '0') + '-';
                changedstate += (elem.checked ? '1' : '0') + '-';
            });

            $('.myclass').on('click', function () {
                changedstate = '';
                $('.myclass').each(function (i, elem) { changedstate += (elem.checked ? '1' : '0') + '-' });
            });
           
        });
        function validate()
        {
            if (initialstate == changedstate) { alert('no changes'); }
            else
                alert('data changed!');

        }
    </script>
</head> 
<body>
    <table>
        <tr>
            <td>Branches</td>
            <td>Manage</td>
            <td>Email</td>
        </tr>
        <tr><td>ABC</td><td><input type="checkbox" checked="checked" class="myclass"></td><td><input type="checkbox" class="myclass"></td></tr>
        <tr><td>PQR</td><td><input type="checkbox" class="myclass"></td><td><input type="checkbox" class="myclass"></td></tr>
    </table>
    <button onclick="validate()">submit</button>
</body>
</html>

demo:- JSFiddle[^]