可以使用两种类型的 ASP.NET 控件将单选按钮添加到网页上：各个 RadioButton 控件或一个 RadioButtonList 控件。这两类控件都允许用户从一小组互相排斥的预定义选项中进行选择。使用这些控件，可定义任意数目的带标签的单选按钮，并将它们水平或垂直排列。
<%@ Page Language="C
#" AutoEventWireup="true" CodeFile="RadioButtonList.aspx.cs" Inher
ITs="WebControls_RadioButtonList" %>
&nbs
p;
<!DOCTYPE ht
ML P
ubLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html
XMlns="
http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h3>RadioButtonList（单选按钮组）</h3>
<
hr />
请选择性别：<asp:RadioButtonList
ID="radlSex" runat="server" RepeatDirection="Horizontal" RepeatLayout="Flow">
<asp:ListItem Selected="True">男</asp:ListItem>
<asp:ListItem>女</asp:ListItem>
</asp:RadioButtonList>
<
br />
<asp:Button ID="
BTnSubmit" runat="server" Text="提交" onclick="btnSubmit_Click" />
<hr />
你选择的性别为：<asp:Label ID="lbl
state" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
using
System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class WebControls_RadioButtonList : System.Web.UI.Page
{
PRotected void Page_Load(object sender, Event
args e)
{
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
lblState.Text = radlSex.SelectedValue;
}
}