Is there a rule of thumb for how many placeholders can be put on a web page?
<p>Using aspx and c# 3.5, vs2008. </p>

<p>Is there a rule of thumb for how many placeholders can be put on a web page before performance starts to deteriorate? </p>

<p>Any other concerns for using a lot of placeholders?</p>

<p>I am dynamically inserting controls (textboxes, checkboxes, expression validators, and buttons on to my page.   </p>
