title: remove css class in code behind
body: <p>I have this control</p>
  
  <pre><code>&lt;asp:Label ID="lblName" runat="server" Text="My Name" CssClass="required regular" /&gt;
  </code></pre>
  
  <p>I want to remove the <code>required</code> class from code behind, how can I do that?</p>