title: Access a user control from another control
body: <p>I have a store implemented in ASP.NET/C#.  There is a page - <code>ReservationProduct.aspx</code> - which has a control to show the product - <code>BuyTourProduct</code> - and another control to show product details - <code>TourProductDetail</code>.</p>
  
  <p>I know it is good form to keep the two decoupled but this is for a very specific store use.  I want the <code>BuyTourProduct</code> to be able to set a panel in the <code>TourProductDetail</code> control to be visible or not using <code>PanelName.Visible=true|false</code>.  </p>
  
  <p>How do I have one control set attributes on a panel in the other control?  I hope I am saying this clearly enough.</p>
  
  <p>By the way, this is a couple of 3rd product controls that I'm modifying so changing the fact that they are 2 separate controls is not really an option for us.</p>
  
  <p>Thanks.</p>