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c#highchartsdotnethighcharts
P. Zantinge
P. Zantinge

Reputation: 195

DotNet.Highcharts 4.0: chart download not working

We are using the nuget package DotNet.Highcharts 4.0 in an (quite old) project. The chart is generating correctly, but when trying to download it as a pdf, the pdf is empty.

When clicking the download as pdf link, a http (not https) post request is made to 'export.highcharts.com' and the svg it sends in the form-data is a valid svg. Or at least it is valid when I save it to a svg-file and open it in Edge.

I can't find any information support has endend.

Upvotes: 0

Views: 75

Answers (1)

P. Zantinge
P. Zantinge

Reputation: 195

I discovered it has something to do with the http request made and a security feature from Firefox. It works fine in Edge (after ignoring a warningmessage about information being send over http). I can get it to work in Firefox also, but you need to set an advanced configuration property in about:config -> dom.block_download_insecure = false. This is not something a regular user would know/can change.

Upvotes: 0

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