问一下怎么给chkeckboxlist中的项加属性我想加一个onclick属性
页面生成的内容是下面的
<table id="cblMainMarkets" border="0">
<tr>
<td><input id="cblMainMarkets_0" type="checkbox" name="cblMainMarkets:0" /><label for="cblMainMarkets_0">China</label></td>
</tr><tr>
<td><input id="cblMainMarkets_1" type="checkbox" name="cblMainMarkets:1" /><label for="cblMainMarkets_1">Japan/Korea</label></td>
</tr><tr>
<td><input id="cblMainMarkets_2" type="checkbox" name="cblMainMarkets:2" /><label for="cblMainMarkets_2">South East Asia</label></td>
</tr><tr>
<td><input id="cblMainMarkets_3" type="checkbox" name="cblMainMarkets:3" /><label for="cblMainMarkets_3">Indian Ocean Area</label></td>
</tr><tr>
<td><input id="cblMainMarkets_4" type="checkbox" name="cblMainMarkets:4" /><label for="cblMainMarkets_4">Australia/New Zealand</label></td>
</tr><tr>
<td><input id="cblMainMarkets_5" type="checkbox" name="cblMainMarkets:5" /><label for="cblMainMarkets_5">Central South America</label></td>
</tr><tr>
<td><input id="cblMainMarkets_6" type="checkbox" name="cblMainMarkets:6" /><label for="cblMainMarkets_6">Euro/Med</label></td>
</tr><tr>
<td><input id="cblMainMarkets_7" type="checkbox" name="cblMainMarkets:7" /><label for="cblMainMarkets_7">Africa</label></td>
</tr><tr>
<td><input id="cblMainMarkets_8" type="checkbox" name="cblMainMarkets:8" /><label for="cblMainMarkets_8">Middle East</label></td>
</tr><tr>
<td><input id="cblMainMarkets_9" type="checkbox" name="cblMainMarkets:9" /><label for="cblMainMarkets_9">USA/Canada</label></td>
</tr>
</table>
页面生成的内容是下面的
<table id="cblMainMarkets" border="0">
<tr>
<td><input id="cblMainMarkets_0" type="checkbox" name="cblMainMarkets:0" /><label for="cblMainMarkets_0">China</label></td>
</tr><tr>
<td><input id="cblMainMarkets_1" type="checkbox" name="cblMainMarkets:1" /><label for="cblMainMarkets_1">Japan/Korea</label></td>
</tr><tr>
<td><input id="cblMainMarkets_2" type="checkbox" name="cblMainMarkets:2" /><label for="cblMainMarkets_2">South East Asia</label></td>
</tr><tr>
<td><input id="cblMainMarkets_3" type="checkbox" name="cblMainMarkets:3" /><label for="cblMainMarkets_3">Indian Ocean Area</label></td>
</tr><tr>
<td><input id="cblMainMarkets_4" type="checkbox" name="cblMainMarkets:4" /><label for="cblMainMarkets_4">Australia/New Zealand</label></td>
</tr><tr>
<td><input id="cblMainMarkets_5" type="checkbox" name="cblMainMarkets:5" /><label for="cblMainMarkets_5">Central South America</label></td>
</tr><tr>
<td><input id="cblMainMarkets_6" type="checkbox" name="cblMainMarkets:6" /><label for="cblMainMarkets_6">Euro/Med</label></td>
</tr><tr>
<td><input id="cblMainMarkets_7" type="checkbox" name="cblMainMarkets:7" /><label for="cblMainMarkets_7">Africa</label></td>
</tr><tr>
<td><input id="cblMainMarkets_8" type="checkbox" name="cblMainMarkets:8" /><label for="cblMainMarkets_8">Middle East</label></td>
</tr><tr>
<td><input id="cblMainMarkets_9" type="checkbox" name="cblMainMarkets:9" /><label for="cblMainMarkets_9">USA/Canada</label></td>
</tr>
</table>
<asp:ListItem Value="1">a</asp:ListItem>
<asp:ListItem Value="2">b</asp:ListItem>
</asp:CheckBoxList><script>
function ShowMsg()
{
if(document.all.CheckBoxList1_0.checked)
{
alert("选了1");
}
if(document.all.CheckBoxList1_1.checked)
{
alert("选了2");
}
}
</script>
急需