Add Text editor to my web application
<p>I need a text editor that I can add as a component to my ASP.net web application, but I need an extra feature in it, it's watermarking. Can you help me?</p>

<p>I mean text watermark like "Confidential" word in the following image.</p>

<p><img src="http://i.stack.imgur.com/0RCew.png" alt="enter image description here"></p>
