Giving User Access On Menu by Menu Page by Page

Access is granted on a menu by menu and a page by page basis Currently it is set-up so that a stored procedure is run to check the logged-in users permission to the menu's and pages if the procedure returns true then access is granted and the menu/page is visible if the procedure returns false then access is denied and the menu/page is invisible Very lengthy and time consuming. Code structure is currently set-up like such, is their a way to speed up this process and still have authorization set-up on a menu by menu page by page set-up?

public class HasPermissions { private bool menuStoreInfo = false; private bool Store1Data = false; private bool Store2Data = false; private bool Store1Schedule = false; private bool Store2Schedule = false; private bool Store1VacCalendar = false; private bool Store2VacCalendar = false; private bool Store1VacRequest = false; private bool Store2VacRequest = fals ...