Carrotware.CMS.Core.SecurityData.GetUsersInRole C# (CSharp) Метод

        public static List<ApplicationUser> GetUsersInRole(string groupName)
        {
            List<ApplicationUser> usrs = new List<ApplicationUser>();

            using (var securityHelper = new SecurityHelper()) {
                var role = (from r in securityHelper.DataContext.Roles
                            where r.Name == groupName
                            select r).FirstOrDefault();

                if (role != null) {
                    usrs = (from ur in role.Users
                            join u in securityHelper.DataContext.Users on ur.UserId equals u.Id
                            select securityHelper.UserManager.FindByName(u.UserName)).Take(2500).ToList();
                }
            }

            return usrs;
        }