protected override bool AuthorizeCore(HttpContextBase httpContext)
 {
     bool authorize = false;
     using (oversiiEntities db = new oversiiEntities())
     {
         UserRepository UM = new UserRepository();
         foreach (var roles in userAssignedRoles)
         {
             authorize = UM.IsUserInRole(httpContext.User.Identity.Name, roles);
             if (authorize)
                 return authorize;
         }
     }
     return authorize;
 }