datalist里嵌套了RadioButtonList,怎么取得RadioButtonList的值
<asp:datalist id="vote" style="Z-INDEX: 101; LEFT: 264px; POSITION: absolute; TOP: 112px" runat="server" Width="464px" DataKeyField="id" RepeatColumns="2">
<ItemTemplate>
<%# DataBinder.Eval(Container.DataItem,"item_name")%>
<asp:RadioButtonList id="ans" runat="server"></asp:RadioButtonList>
</ItemTemplate>
</asp:datalist>
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RadioButtonLis是这样绑定数据的
private void vote_ItemDataBound(object sender, System.Web.UI.WebControls.DataListItemEventArgs e)
{
Database data=new Database();
SqlDataReader reader=null;
SqlParameter[] prams={
data.MakeInParam("@item_id",SqlDbType.Int,4,Convert.ToInt32(vote.DataKeys[(int)e.Item.ItemIndex].ToString())),
};
data.RunProc("zz_ans_list",prams,out reader);
RadioButtonList d=(RadioButtonList)e.Item.FindControl("ans");
d.DataSource=reader;
d.DataTextField="question";
d.DataValueField="id";
d.DataBind();
data.Close();
data.Dispose();
}
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谢谢