asp.net mvc - ASP:NET MVC: return file : internet explorer 11 new tab? -

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ie9, chrome , firefox can open new tab code bellow, ie11 force download instead of open new tab.

byte[] filebytes = system.io.file.readallbytes(contentdetailinfo.contentfilepath); response.appendheader("content-disposition", "inline; filename=" + contentdetailinfo.contentfilename); return file(filebytes, contentdetailinfo.contentfilemimetype);

try

response.addheader("content-disposition", "attachment;filename=\"" + contentdetailinfo.contentfilename +"\"")

more: w3.org


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