Thank you for writing.
I tested the method you are using but there were no issues on my side. The chart was saved to the image with all the data inside it. I tested the case in both bound and unbound mode. An alternative approach you can try is the DrawToBitmap
method. This method is inherited from Control and can be used for any control, here is how use it:
Bitmap bmp =
Rectangle(0, 0, bmp.Width, bmp.Height));
If this does not work as well, I would kindly ask you to send me your project or an example where you are able to reproduce this behavior so I can investigate the issue further.
I hope this will be useful. Should you have further questions, I would be glad to help.
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