
How can i put margin between two columns(cell margin)?

In your CSS you can set the desired margin between two cells as given below..
padding-right:10px;

now you need to call this css into your td to set the margin between cells. See how you can include it in your code.
<table> <tr> <td style="padding-right:10px">data</td> <td>Add more data</td> </tr> </table>
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