title: submit button in ascx posts back, but does not enter the ascx_load
body: <p>this is driving me NUTS!</p>
  
  <p>i have a submit button in a header.ascx, which is in every page.</p>
  
  <p>it's now a normal html submit button because i thought maybe the asp:button was giving me trouble, but as it turns out the troubles are still here.</p>
  
  <p>so what happens: i click on the submit button (in the .ascx), the page reloads.... without entering the load event of the ascx.</p>
  
  <p>click again... still not</p>
  
  <p>then click 1 to 3 times again (random, sometimes i have to click 3 times total, sometimes 7): still not</p>
  
  <p>then click again: tadaa!  there is the load event breakpoint hitting....</p>
  
  <p>there must be a simple reason, please tell me what it is.....</p>
  
  <p>EDIT
  there is some outputcaching going on ( defined in the page), posts are not cached, right??</p>