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<script runat="server"> Sub submit(Sender As Object, e As EventArgs) if red.Checked then Label1.Text="您选择了 " & red.Text elseIf green.Checked then Label1.Text="您选择了 " & green.Text elseIf blue.Checked then Label1.Text="您选择了 " & blue.Text end if End Sub </script> <html> <body> <form runat="server"> 请选择您喜欢的颜色： <br /> <asp:RadioButton id="red" Text="Red" Checked="True" GroupName="colors" runat="server"/> <br /> <asp:RadioButton id="green" Text="Green" GroupName="colors" runat="server"/> <br /> <asp:RadioButton id="blue" Text="Blue" GroupName="colors" runat="server"/> <br /> <asp:Button text="提交" OnClick="submit" runat="server"/> <p><asp:Label id="Label1" runat="server"/></p> </form> </body> </html>