<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Ex2-5.aspx.cs" Inherits="Ex2_5" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Ex2-5</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        以下城市中，属于河南省的城市有哪些？<br />
        <asp:CheckBox ID="ckb1" runat="server" Text="郑州市" />
        <asp:CheckBox ID="ckb2" runat="server" Text="洛阳市" />
        <asp:CheckBox ID="ckb3" runat="server" Text="开封市" />
        <asp:CheckBox ID="ckb4" runat="server" Text="十堰市" /><br />
        <asp:Button ID="Button1" runat="server" Text="提交" onclick="Button1_Click" />
    </div>
    </form>
</body>
</html>
