CheckBoxList多选样式jquery、C#获取选择项

.checkboxlist label
{
margin-right: 20px;
}

var label;
$("#ddlplatform input:checkbox:checked").each(function () {
label += $(this).next().html();
});

CssClass="checkboxlist">
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//使用平台
string Platfrom = string.Empty;
foreach (ListItem li in this.ddlplatform.Items)
{
if (li.Selected)
{
Platfrom += li.Text + ",";
}
}
Platfrom = Platfrom.TrimEnd(',');