Is there an #IF DEBUG for Asp.net markup?

Question

Can I do something like this in the markup of an asp.net page, based off the \"Define DEBUG constant\" setting?

#IF (DEBUG) THEN
  

        

Answer 1

 <% #if DEBUG %>
 You're in debug mode
 <% #else %>
 Mmm... No, I think you're not in debug mode
 <% #endif %>

Note that you cannot assign the same ID for those text boxes.

Also note that DEBUG is true when it is set so in web.config: