Sorry for the inconvenience.
We have analyzed your query with the provided code snippet. We have prepared a sample, in this we have enabled highlight and selection, but unfortunately, while hovering over the columns, we were not able to replicate your scenario. Sample used for testing can be find from below link.
Since we are not aware of your exact scenario on which the issue is reproducing, we would like to know the following details, which will be helpful in further analysis and provide you the solution.
· Share the code snippet or
· Modify the attached sample or provide your sample with replication steps.
· Current Essential Studio version you are using.
· Do you have used any events of charts for customization.