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<script runat="server"> Sub submit(Source As Object, e As EventArgs) if red.Checked=True then p1.InnerHtml="您喜欢红色！" else p1.InnerHtml="您喜欢蓝色！" end if red.checked=false blue.checked=false End Sub </script> <html> <body> <form runat="server"> 您喜欢哪种颜色？ <br /> <input id="red" type="checkbox" runat="server" /> 红色 <br /> <input id="blue" type="checkbox" runat="server" /> 蓝色 <br /> <input type="button" value="提交" OnServerClick="submit" runat="server"/> <p id="p1" runat="server" /> </form> </body> </html>