有五个单选按钮，只能选一个，我该怎样获得被选中的按钮的值

Question

<asp:RadioButton ID="RadioButton3" runat="server" Checked="True"GroupName="zxcd"Text="a" />
<asp:RadioButton ID="RadioButton4" runat="server" GroupName="zxcd" Text="b" />
 <asp:RadioButton ID="RadioButton5" runat="server" GroupName="zxcd" Text="c" />
<asp:RadioButton ID="RadioButton6" runat="server" GroupName="zxcd" Text="d" />
<asp:RadioButton ID="RadioButton7" runat="server" GroupName="zxcd" Text="e" />

Answer 1

直接用radiobuttonlist，不就可以解决，radiobuttonlist.selectvalue!!!949494