<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication2.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
无标题页
您的兴趣爱好</div>
<asp:CheckBox ID="CheckBox1" runat="server"
oncheckedchanged="CheckBox1_CheckedChanged" Text="钓鱼" />
<p>
<asp:CheckBox ID="CheckBox2" runat="server" Text="养花" />
</p>
<p>
<asp:CheckBox ID="CheckBox3" runat="server" Text="读书" />
</p>
<asp:CheckBox ID="CheckBox4" runat="server" Text="运动" />
<br />
<br />
<p>
<asp:CheckBox ID="CheckBox5" runat="server" Text="是否允许别人看到" />
</p>
<asp:Button ID="Button1" runat="server" Text="提交" />
</form>
代码运行之后显示如下图，问题就是勾选复选框之后，再按提交就不显示勾选项
