Asp.net pdf download (not able to download a pdf file in ie11)

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i have one application where i am giving a link to user to download files and that is working fine in chrome but its not working in IE11 and this problem is with only few files(which has size more than 1MB). files i am getting threw database.
can anyone help me on this?
below is the code sample:

C#

Response.Clear();
Response.Buffer = true;
Response.ClearContent();
Response.ClearHeaders();
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.AddHeader("content-disposition", String.Format("attachment;filename={0}", drAttchmentInfo["FileName"].ToString()));
Response.ContentType = "application/" + drAttchmentInfo["DocumentType"].ToString();                                Response.BinaryWrite((byte[])drAttchmentInfo["Document"]);
//Response.End();                                
Response.Flush();
HttpContext.Current.ApplicationInstance.CompleteRequest();
Response.Close();

Posted 30-Jul-14 20:10pm

Yogesh2

Updated 30-Jul-14 20:47pm

v3

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Grant Frisken · Answer 1 · 2014-07-30T23:46:00

I haven't got a solution for you - but I'm experiencing a similar issue which seems to have only just developed with a recent update to IE11 (not sure when). My code was working in previous version of IE and works fine in Chrome. It writes out some data to a memory stream that it then uses BinaryWrite to write to the response. This is now hanging (an the amount of data is very small - a few hundred bytes)

C#

using (MemoryStream stream = new MemoryStream())
{
    using (XmlTextWriter writer = new XmlTextWriter(stream, Encoding.UTF8))
    {
        // write some stuff
    }
    byte[] content = stream.ToArray();
    Response.AddHeader("Content-disposition", "attachment; filename=AuthenticatedLicense.lic");
    Response.ContentType = "application/octet-stream";
    Response.BinaryWrite(content);
    Response.End();
}

Everything I have seen indicates that this is the correct way of doing things - but it seems IE11 is broken.

Asp.net pdf download (not able to download a pdf file in ie11)

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Asp.net pdf download (not able to download a pdf file in ie11)

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