title: Get the selected input type radio button ASP.NET
body: <p>I have two radio buttons:</p>
  
  <pre><code>&lt;input type="radio" name="group1" /&gt;1
  &lt;input type="radio" name="group1" /&gt;2
  </code></pre>
  
  <p>How do I know which one is selected when the form is posted?</p>