Phase 2 : Column hide/show

First Name	Last Name	Email	Gender	Country	Contact Field	Contact Details	User 1	User 2	User 3
Kamlesh	Pokiya	kamlesh@gmail.com	Male	IN	test, test2, test3	Test	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3
Mehul	patel	mehul@gmail.com	Male	USA	test, test2, test3	data	Action1	Action2	Action3