HI, Open pdf file in Internet Explorer Browser window.open(link,'reportWindow','xxxxx'); The problem is if There is Adobe Reader 7 on client, project will pop-up a blank browser and Reader open pdf file separately. when server run on local,pdf file can open within browser automatically.. And with Adobe Reader6,pdf file always opened within browser whatever server is local or remote. I've set Adobe Reader to open file in browser in it's internet option ,but no effect I want client can view pdf file within Browser no matter which version of Adobe Reader they've installed any suggestion? really appreciate for ur help~~ Code in jsp: JasperPrint jasperPrint = JasperFillManager.fillReport(reportFile.getPath(),parameters,conn); byte[] bytes= JasperExportManager.exportReportToPdf(jasperPrint); response.setContentType("application/pdf"); response.addHeader("Content-Disposition", "inline;"); response.setContentLength(bytes.length); ServletOutputStream ouputStream = response.getOutputStream() ; ouputStream.write(bytes, 0, bytes.length); ouputStream.flush(); ouputStream.close();