How to remove the border-collapse_javascript technique in the style attribute when generating gridview

When using gridview under vs2005, by default the gridview control will add border-collapse:collapse;

<table cellspacing="0" rules="all" border="0" id="GridView1" style="border-width:0px;border-collapse:collapse;">
<tr>
<th scope="col">id</th><th scope="col">name</th>
</tr><tr>
<td>1</td><td>1</td>
</tr><tr>
<td>2</td><td>2</td>
</tr>
</table>

The gridview control is automatically added: border-collapse:collapse;

To remove this automatically added code, just add CellSpacing="-1", and the html code after adding it is

<table rules="all" border="0" id="GridView1" style="border-width:0px;">
<tr>
<th scope="col">id</th><th scope="col">name</th>
</tr><tr>
<td>1</td><td>1</td>
</tr><tr>
<td>2</td><td>2</td>
</tr>
</table>

Additional point:

GridLines="None" does not display cell borders
CellSpacing="-1" Remove border-collapse:collapse; style in GridView style

Note: The problem encountered in the Firefox browser is that border merging causes some border lines to become thicker. GridLines="None" can solve the problem