html - <tr> inside <td> not displayed properly -


can tell me why internal rows not coming inside td.

<tr id="group_1_id">     <th>group 1</th>     <td>         <tr id="1"><td>1</td><td>one</td><td><input type="text" name="one" value="one"/></td></tr>         <tr id="2"><td>2</td><td>two</td><td><input type="text" name="two" value="two"/></td></tr>         <tr id="3"><td>3</td><td>three</td><td><input type="text" name="three" value="three"/></td></tr>     </td> </tr>

the 3 table rows comes outside parent tr. though defined inside td of parent tr.

thanks in advance

i html not correct. if want header section, use <thead> or <tbody> element, not <th>. believe problems emerged fact have used <th> instead of <thead>.

you may want use validator check whether html correct. upload page http://validator.w3.org example, , correct errors shows you.

also check specification (for example on www.whatwg.org) because suppose wanted create more 1 header section in table. table may have not more 1 <thead>, not more 1 <tfoot>, , number of <tbody> elements.

oh, have reedited question, problem same :)

a <tr> element cannot placed inside <td> or <th>. when code parsed, nested table automagically created, real html looks this:

<tr id="group_1_id">   <th>group 1</th>   <td>     <table>       <tbody>         <tr id="1"><td>1</td><td>one</td><td><input type="text" name="one" value="one"/></td></tr>         <tr id="2"><td>2</td><td>two</td><td><input type="text" name="two" value="two"/></td></tr>         <tr id="3"><td>3</td><td>three</td><td><input type="text" name="three" value="three"/></td></tr>       </tbody>     </table>   </td> </tr>

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