We are quite
unclear about your exact requirement. So kindly share the following details.
1.
Do you want to click on the column header during runtime to change the style for the entire column header?
2. Or do you want to click on
a particular column header during runtime to change the style?
3. Share more details about
your Requirement.
The above details will be very helpful for us to validate the reported query further at
our end and provide the solution as early as possible.