Custom Popup Dialog Asp.Net
<p>I'd like to create email dialog that has several inputs including message textbox plus some other custom info. I'd like it to display center screen over top of main page setting the opacity to like 50%. </p>

<p>do i create the pop up as anohter aspx page or panel?</p>

<p>Not sure what to use here, z-index, modalPopupExtender, Javascript, jquery. looking for easy and something stable.</p>
