Why can't a input tag be type submit?
<p>I am trying to do:</p>

<pre><code>&lt;input type="submit" runat="server" ... /&gt;
</code></pre>

<p>Error:</p>

<pre><code>The base class includes the field 'btnEdit', but its type (System.Web.UI.HtmlControls.HtmlInputImage) is not compatible with the type of control (System.Web.UI.HtmlControls.HtmlInputSubmit).
</code></pre>

<p><strong>Submit is a valid type, what is wrong here?</strong></p>
