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Asked: 2026-05-11T11:27:32+00:00

I have a aspx page that looks something like this: <table runat=server id=tblTEst> <tr

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I have a aspx page that looks something like this:

<table runat='server' id='tblTEst'>   <tr id='trHeader' runat='server'>    </tr>   <tr id='trRow1' runat='server'>    </tr>   <tr id='trRow2' runat='server'>    </tr> </table>

When I write my JQuery to say get a count of s, I need to do:

alert($('#' + strTableId).children('tbody').children('tr').length);

My question is when does the TBODY get added? When I do a InnerHTML, I do see the TBODY. I was wondering if this is something ASP.NET does?

EDIT Thanks for the answers. If it’s added by the browser, do I need to worry about testing the code in multiple browsers to ensure compatibility of JQuery? I was under the impression, JQuery is compatible with all browsers and I would’nt have to worry about testing the code on different browsers.

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1 Answer

  1. It’s something the browsers do, as part of the process of cleaning up the HTML while building the DOM. The standard specifies that TR elements must occur within a TBODY, THEAD, or TFOOT element, and since you specified none of those, the browser helps you out by adding one for you.

    If you wish to ignore this, you can re-write your expression as:

    alert($('#' + strTableId).find('tr').length);

    …But, you would do well to explicitly wrap your rows in TBODY so as to avoid confusion in the future.

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