title: how to get selected radiobutton from radiobuttonlist
body: <p>i have one radiobuttonlist which consists of two radio button,following price discount,another is percent discount. the code snippet of aspx file as follows:</p>
  
  <pre><code>&lt;td class="style8"&gt;
  &lt;asp:RadioButtonList ID="RadioButtonList1" runat="server"&gt;
                      &lt;asp:ListItem Value="1"&gt;Price Discount&lt;/asp:ListItem&gt;
                      &lt;asp:ListItem Value="2"&gt;Percent Discount&lt;/asp:ListItem&gt;
                  &lt;/asp:RadioButtonList&gt;
  &lt;/td&gt;
  </code></pre>