how to give access to button based on certain roles

I have a page which has a button that i want only managers to see.

Each user has a role (can be two or more roles).

I have a list that gets all the current logged in user roles.

How can i give a condition that if this current logged user does not have a manager role Id then the button should not be displayed.

(each manager of different department has a different role id).

I know this can be done by hardcoding but is there another way to do this? These role values are read from the db.

thanks in advance