Thank you for using Syncfusion products.
We have analyzed your query and tried to replicate the reported issue but we are unable to reproduce the reported issue.
We have also made sample for your reference and attached in the below location
And if you still face any concern, revert us the following details to reproduce the issue and to provide you a solution sooner.
· Your sample or modify the attached sample as per scenario along with replication steps.
· Code snippet of how to binding the data to the range navigator and chart.
· Please revert with range navigator data.
Please let us know if you have any concern.
Saravana Kumar K.