A的大小固定，B不固定，当B大于A的时候，怎么能让A横向竖向都出现滚动条？
谢谢！
<table id= "Table1 " height= "420 " cellSpacing= "1 " cellPadding= "1 " width= "790 " align= "center " border= "0 ">
<tr>
<td>
<table> </table>
</td>
</tr>
</table>
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<table id= "Table1 " height= "420 " cellSpacing= "1 " cellPadding= "1 " width= "790 " align= "center " border= "0 ">
<tr>
<td>
<div style= "width:790px;overflow:auto ">
------解决方案--------------------------------------------------------
<table id= "Table1 " height= "420 " cellSpacing= "1 " cellPadding= "1 " width= "790 " align= "center " border= "0 ">
<tr>
<td>
<div style= "width:790px;overflow:auto ">
<table> ... </table>
</div>
</td>
</tr>
</table>
-----我只是帮孟子圣人把html代码写完,不是来抢分的！莫见怪
------解决方案--------------------------------------------------------
<div style= "width:790px;overflow:auto ">
------解决方案--------------------------------------------------------
抢不过阿...