open the pdf in modal dialog box.

< iframe id="iframetest"
src="http://localhost:1446/openPdf/csharp_ebook.pdf" height="100%"
width="100%"> Test Iframe </iframe>
open the html page using javascript
function popWin(){
window.showModalDialog("http://localhost/openPdf/try.html%22,'','dialogHeight:650px;dialogWidth:1000px')
}
This will open the pdf in modal dialog box.