asp.net 一个radiobutton组,怎么得到选择的那个值

this.RadioButtonList1.SelectedItem.Text.ToString();

<pre t="code" l="csharp"> //.aspx页面<br /> <asp:RadioButton ID="RadioButton1" runat="server" GroupName="testGroup" Checked="true" Text="RadioButton1"/><br />  <asp:RadioButton ID="RadioButton2" runat="server" GroupName="testGroup" Text="RadioButton2"/><br />  <br />  //.cs页面:使用Checked属性做判断<br />          if (RadioButton1.Checked)<br />            {<br />                //选择RadioButton1<br />            }<br />