如何在前台取DataList中由ItemDataBound事件生成的RidaoButtonList的值(急)

Question

例：
if (lbType.Text=="单选")
{
RadioButtonList rb=(RadioButtonList)datalist.Items[i].FindControl("rbl");
if (rb.Items[0].Selected)
ranswer="A";
if (rb.Items[1].Selected)
ranswer="B";
if (rb.Items[2].Selected)
ranswer="C";
if (rb.Items[3].Selected)
ranswer="D"; if (ranswer==rightAn)
fs=slfs;
answerSelf=ranswer;
}
else
{
CheckBoxList ck=(CheckBoxList)datalist.Items[i].FindControl("chl");
if (ck.Items[0].Selected==true)
canswer+="A";
if (ck.Items[1].Selected==true)
canswer+="B";
if (ck.Items[2].Selected==true)
canswer+="C";
if (ck.Items[3].Selected==true)
canswer+="D"; if (canswer==rightAn)
{
fs=slfs;
}
answerSelf=canswer;
}

Answer 1

“ListItem listitem = new ListItem();”之后要立刻给他设置ID属性值，否则难以保证读出提交值。