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Dynamically adding table row with a checkbox using javascript

Posted on 2008-10-21
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5,619 Views
Last Modified: 2013-11-11
I have a table that I am dynamically adding rows to using javascript, in this row I need to add a cell with a checkbox control.  I'm able to create the checkbox fine but I cannot figure out how to make it checked when it's rendered.  Here's the code I have so far:

var cell0 = row.insertCell(0);
var chkBox = document.createElement('input');
chkBox.type='checkbox';
chkBox.name='tnCheckbox' + iteration;
chkBox.id='tnCheckbox' + iteration;
chkBox.checked=true;
cell0.appendChild(chkBox);

Like I said, I'm able to create the control fine, I just need it to be checked by default.  

Thanks in advance.
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Comment
Question by:chuck620
3 Comments
 
LVL 8

Expert Comment

by:MatthiasVance
ID: 22771468
You could try the following. I hope it helps.

Kind regards,

Matthias Vance
chkBox.setAttribute("checked", "checked");

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LVL 27

Accepted Solution

by:
azadisaryev earned 125 total points
ID: 22773071
try chkBox.checked='checked'; instead.

if that does not work, consider setting the checked attribute AFTER the checkbox is rendered, i.e.:
...
chkBox.id='tnCheckbox' + iteration;
//chkBox.checked=true;
cell0.appendChild(chkBox);
document.getElementById('tnCheckbox' + iteration).checked=true;
0
 

Author Closing Comment

by:chuck620
ID: 31508703
Thanks for the quick response.
0

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