Thanks for your quick answer.
Please find enclosed the EPPlus_ExcelDemo for the ScatterChart.
I added my Excel document with a ScatterLine chart in the document folder of the project.
If I run the code the the resulting pdf has a Scatter Chart with smoothed lines.
Could you have a look?
I could not upload the Code but it can be found at the following link:
https://cloud.vanrijst.nl/index.php/s/LcoZ8qpgY7RurKWThanks in advance.
Joop