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I have the following code in a web api controller endpoint for downloading a zip file. It works but the file name isn't being set right so I am trying to use the content disposition header to fix that. However i get this error since i added that line The format of value 'inline; filename=log_2016.zip' is invalid. How can I solve this issue?

 httpMessage.StatusCode = HttpStatusCode.OK;
 httpMessage.Content = new StreamContent(response.GetResponseStream());
 httpMessage.Content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream");
 httpMessage.Content.Headers.ContentDisposition =new ContentDispositionHeaderValue (GetContentDisposition((HttpWebResponse)response));
Timigen
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1 Answers1

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Since you haven't provided the code for GetContentDisposition(HttpWebResponse), I'm assuming based on the error message that this functions returns the full header text.

The constructor of ContentDispositionHeaderValue takes just the type (I believe it's "inline" in your case. You then have to set the remaining properties as properties on the ContentDispositionHeaderValue object.

If you already have the full Content-Disposition header text, use ContentDispositionHeaderValue.Parse or ContentDispositionHeaderValue.TryParse.

yaakov
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  • I am not so sure that inline is the correct type, why do you think it so? – Timigen May 01 '16 at 03:13
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    I don't think it's correct either (it's usually `attachment`), but based on the header in your error message, that seems to be what you're getting. – yaakov May 01 '16 at 06:48