Hi Priyanka,
It is not duplicate issue,actually answers we got was not appropriate.
I understand that showing tooltip for null is not available as of now but atleast it should not show wrong tooltips.
Our problem is our data series one is having null and data series 2 is having data.
whenever we see data series 2’s tooltip it shows data series 1’s name and this is an issue.
So provide solution for this problem.