Pdf not displaying in IE9

Hi Experts,

     The following code working fine for chrome, but in IE8 its not displaying pdf but prompt for save pdf. I want it should display in IE8 like chrome.

var pdfUrl = "../xxxx/$value";

var html = new sap.ui.core.HTML();

html.setContent("<iframe id='adobeTag' src='"+pdfUrl+"' width='750' height='1000' style='margin-left: 15%;'></iframe>");

$('#adobeTag').attr('src', pdfUrl);

oPanel.addContent(html);

Thanks and Regards,

Irfan