how to build a custom control in ASP.NET?
<p>I want to build a server control. Which contain child custom control. </p>

<pre><code>&lt;MyParentControl&gt;
    &lt;MyChildControl&gt;
    &lt;/MyChildControl&gt;
&lt;/MyParentControl&gt;
</code></pre>

<p>I don't know it How to build. So, help me.</p>
