Hi Subitha,
Please find the response for your queries,
Query 1: I am not able to click on the RangeNavigator control.Its look like that control is disabled. Also, the line seperator in the DateTimeNavigator control also disappeared
We will fix these two issues and we will include the patch in our upcoming Vol1 2017 release.
Query 2: How to change the selection color in SfDateTimeRangeNavigator.
We have logged the improvement task and we will include the patch in our upcoming Vol1 2017 release.
Regards,
Jaikrishna C