Hi Mathias,
If you want to change the
BackColor of the chart, you can use the following code snippet:
If you want to change the
BackColor of the area when the series are pained, please refer to the following code snippet:
In the attachments you can find the image and the sample demo project how to achieved it.
Should you have further questions, I would be glad to help.
Regards,
Ralitsa
Telerik