Response Content type as CSV

Question

I need to send a CSV file in HTTP response  How can I set the output response as CSV format   This is not working   Response ContentType    application CSV

User · Answer

In ASP net MVC  you can use a FileContentResult and the File method   public FileContentResult DownloadManifest         byte   csvData   getCsvData        return File csvData   text csv    filename csv

User · Answer

Using text csv is the most appropriate type   You should also consider adding a Content-Disposition header to the response   Often a text csv will be loaded by a Internet Explorer directly into a hosted instance of Excel   This may or may not be a desirable result   Response AddHeader  Content-Disposition    attachment filename myfilename csv      The above will cause a file  Save as  dialog to appear which may be what you intend

User · Answer

Use text csv as the content type

User · Answer

Just Use like that  Response Clear    Response ContentType    application CSV   Response AddHeader  content-disposition    attachment  filename       filename     csv      Response Write t ToString     Response End

User · Answer

Try one of these other mime-types  from here  http   filext com file-extension CSV     text comma-separated-values text csv application csv application excel application vnd ms-excel application vnd msexcel   Also  the mime-type might be case sensitive

User · Answer

I suggest to insert an     character in front of  myfilename cvs   Response AddHeader  Content-Disposition    attachment filename  myfilename csv      I hope you get better results

User · Answer

Using text csv is the most appropriate type   You should also consider adding a Content-Disposition header to the response   Often a text csv will be loaded by a Internet Explorer directly into a hosted instance of Excel   This may or may not be a desirable result   Response AddHeader  Content-Disposition    attachment filename myfilename csv      The above will cause a file  Save as  dialog to appear which may be what you intend

User · Answer

Setting the content type and the content disposition as described above produces wildly varying results with different browsers   IE8  SaveAs dialog as desired  and Excel as the default app   100  good   Firefox  SaveAs dialog does show up  but Firefox has no idea it is a spreadsheet   Suggests opening it with Visual Studio   50  good  Chrome  the hints are fully ignored   The CSV data is shown in the browser   0  good   Of course in all of these cases I m referring to the browsers as they come out of they box  with no customization of the mime application mappings

User · Answer

Using text csv is the most appropriate type   You should also consider adding a Content-Disposition header to the response   Often a text csv will be loaded by a Internet Explorer directly into a hosted instance of Excel   This may or may not be a desirable result   Response AddHeader  Content-Disposition    attachment filename myfilename csv      The above will cause a file  Save as  dialog to appear which may be what you intend

User · Answer

Use text csv as the content type

User · Answer

For C  MVC 4 5 you need to do like this   Response Clear    Response ContentType    application CSV   Response AddHeader  content-disposition    attachment  filename       fileName     csv      Response Write dataNeedToPrint   Response End    return new EmptyResult       this line is important else it will not work

User · Answer

Over the years I ve been honing a perfect set of headers for this that work brilliantly in all browsers that I know of     these headers avoid IE problems when using https     see http   support microsoft com kb 812935 header  Cache-Control  must-revalidate    header  Pragma  must-revalidate     header  Content-type  application vnd ms-excel    header  Content-disposition  attachment  filename  filename csv

User · Answer

Using text csv is the most appropriate type   You should also consider adding a Content-Disposition header to the response   Often a text csv will be loaded by a Internet Explorer directly into a hosted instance of Excel   This may or may not be a desirable result   Response AddHeader  Content-Disposition    attachment filename myfilename csv      The above will cause a file  Save as  dialog to appear which may be what you intend

User · Answer

Just Use like that  Response Clear    Response ContentType    application CSV   Response AddHeader  content-disposition    attachment  filename       filename     csv      Response Write t ToString     Response End

User · Answer

Use text csv as the content type

User · Answer

MIME type of the CSV is text csv according to RFC 4180

User · Answer

Try one of these other mime-types  from here  http   filext com file-extension CSV     text comma-separated-values text csv application csv application excel application vnd ms-excel application vnd msexcel   Also  the mime-type might be case sensitive

User · Answer

For C  MVC 4 5 you need to do like this   Response Clear    Response ContentType    application CSV   Response AddHeader  content-disposition    attachment  filename       fileName     csv      Response Write dataNeedToPrint   Response End    return new EmptyResult       this line is important else it will not work

User · Answer

Over the years I ve been honing a perfect set of headers for this that work brilliantly in all browsers that I know of     these headers avoid IE problems when using https     see http   support microsoft com kb 812935 header  Cache-Control  must-revalidate    header  Pragma  must-revalidate     header  Content-type  application vnd ms-excel    header  Content-disposition  attachment  filename  filename csv

User · Answer

In ASP net MVC  you can use a FileContentResult and the File method   public FileContentResult DownloadManifest         byte   csvData   getCsvData        return File csvData   text csv    filename csv

User · Answer

I suggest to insert an     character in front of  myfilename cvs   Response AddHeader  Content-Disposition    attachment filename  myfilename csv      I hope you get better results

User · Answer

Setting the content type and the content disposition as described above produces wildly varying results with different browsers   IE8  SaveAs dialog as desired  and Excel as the default app   100  good   Firefox  SaveAs dialog does show up  but Firefox has no idea it is a spreadsheet   Suggests opening it with Visual Studio   50  good  Chrome  the hints are fully ignored   The CSV data is shown in the browser   0  good   Of course in all of these cases I m referring to the browsers as they come out of they box  with no customization of the mime application mappings

User · Answer

Use text csv as the content type

User · Answer

MIME type of the CSV is text csv according to RFC 4180

User · Answer

Try one of these other mime-types  from here  http   filext com file-extension CSV     text comma-separated-values text csv application csv application excel application vnd ms-excel application vnd msexcel   Also  the mime-type might be case sensitive

User · Answer

Try one of these other mime-types  from here  http   filext com file-extension CSV     text comma-separated-values text csv application csv application excel application vnd ms-excel application vnd msexcel   Also  the mime-type might be case sensitive

User · Answer

I have found that the problem with IE is that it sniffs the return data and makes up its own mind about what content-type it thinks it has been sent  There are a number of side effect that this causes  such as always openning a saveAs dialog for text files because you are using compression of data trasnferes  The solution is  in php code         header  X-Content-Type-Options  nosniff

User · Answer

I have found that the problem with IE is that it sniffs the return data and makes up its own mind about what content-type it thinks it has been sent  There are a number of side effect that this causes  such as always openning a saveAs dialog for text files because you are using compression of data trasnferes  The solution is  in php code         header  X-Content-Type-Options  nosniff

[asp.net] Response Content type as CSV

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