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

        public static UserProfile GetProfileByUserName(string userName)
        {
            using (CarrotCMSDataContext _db = CarrotCMSDataContext.Create()) {
                return (from u in _db.membership_Users
                        join ud1 in _db.carrot_UserDatas on u.Id equals ud1.UserKey into ud2
                        from ud in ud2.DefaultIfEmpty()
                        where u.UserName == userName
                        select new UserProfile(u, ud)).FirstOrDefault();
            }
        }