title: A page can have only one server-side Form tag. form error in ASP.NET
body: <p>In the below coding,Here i show you my master page &amp; menu user control(Menu user control added to master page).In here it shows the error,</p>
  
  <p>Error generating when i wrap my Usercontrol around runat="server"</p>
  
  <blockquote>
    <p>A page can have only one server-side Form tag.</p>
  </blockquote>
  
  <p>My Master Page</p>
  
  <pre><code>&lt;head runat="server"&gt;
   &lt;asp:ContentPlaceHolder ID="head" runat="server"&gt;
      &lt;/asp:ContentPlaceHolder&gt;
  &lt;/head&gt;
  
  &lt;body&gt;
  &lt;uc1:Menu runat="server" ID="Menu" /&gt;
  
  &lt;div&gt;
          &lt;asp:ContentPlaceHolder ID="ContentPlaceHolder1" runat="server"&gt;
          &lt;/asp:ContentPlaceHolder&gt;
      &lt;/div&gt;
  
  &lt;/body&gt;
  </code></pre>
  
  <p>My UserControl</p>
  
  <pre><code>&lt;form id="text" runat="server"&gt;
  &lt;asp:LinkButton ID="link_logout" Text="Logout" OnClick="link_logout_Click" runat="server" /&gt;
  &lt;/form&gt;
  
  &lt;%} %&gt;
  </code></pre>