demo_checkbox 在线工具
<html> <body> <form runat="server"> <p>Home Phone: <asp:TextBox id="home" runat="server" /> Work Phone: <asp:TextBox id="work" runat="server" /> <asp:CheckBox id="check1" Text="Same as home phone" TextAlign="Right" AutoPostBack="True" OnCheckedChanged="Check" runat="server" /> </p> </form> </body> </html>