I have a XY Chart in perspective. I am trying to create a binding expression that changes the line appearance stroke color to either blue or red based on its position at the target line.
or whatever you prefer. These CSS theme colors will adjust to suit when you change themes and are a much easier way of maintaining consisten look and feel across your site.
Please, please, post formatted code (using the </> button) rather than pictures of code, resize the windows and crop the images. 90% of the top one is irrelevant.