Thanks for using Syncfusion products.
We have analyzed your query and we are unable to reproduce the issue at our end. We have prepared the sample based on your requirement. Please find the sample in the below location. If problem still persist, then please modify the below sample in order to reproduce the issue. So that, it will be helpful for us to serve you better.
Please let us know if you have queries.
Thanks for your update.
In order to redraw the chart completely in an event, we can use chart UpdateLayout method as shown in the given code snippet.
Please let us know if you have any queries.