check for online update when open program in C#
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/555118/suggest-a-method-for-auto-updating-my-c-sharp-program">Suggest a method for auto-updating my C# program</a>  </p>
</blockquote>



<p>I'm sorry if this question has been asked already.
i have a problem whit online update because i don't know how can add code for check for update program and after check if find newer version upgrade itself.</p>

<p>However, every time I make changes to the program
people will have to download the new version.</p>

<p>i have a host and no any problem whit host.
well only  i need add code for check for online update</p>

<p>how can add code for check for update when open program ?
what can i do ?
what do i do ? 
can u please help me ?</p>

<p>please <strong>give me sample code or sample project</strong> for understand. 
thanks.</p>
