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I am working on datatables, I am getting the following error:

Unable to set property '_DT_CellIndex' of undefined or null reference

Does anybody encountered the same erro?

Thanks

  • 1
    I often get the error when you are trying to show more/less columns that exists in the actual HTML table. Care to share your code? – Christoffer Feb 23 '17 at 10:03
  • Yes this was exactly the issue..Thanks for responding – Dheeraj Feb 23 '17 at 16:44
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This is because the count of element is different with count of element

For example:

<table>
    <tr>
        <th></th>
        <th></th>
        <th></th> <!-- 3 ths -->
    </tr>
    <tr>
        <td></td>
        <td></td>
        <td></td>
        <td></td> <!-- 4 tds -->
    </tr>
</table>

Either your table td is lower or table th is lower.

So the DataTable will make it as an error.

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Try this:

<tr>
    <td colspan="4">details</td>
    <td style="display: none"></td>
    <td style="display: none"></td>
    <td style="display: none"></td>
</tr>

Add the required cells but hide them.

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