public static bool Update(User u) { var q = new Entities.User(); var usr = q.All(where : "WHERE ACL_USER_ID = @0", args: u.Id).FirstOrDefault(); if (usr == null) { return(false); } q.Update(new { ACLU_LOGIN = u.Login, ACLU_PASSWORD = u.Password, ACLU_EMAIL = u.Email }, u.Id); return(true); }