ActivEarth.DAO.GroupDAO.GetGroupFromName C# (CSharp) Метод

        public static Group GetGroupFromName(string name)
        {
            using (SqlConnection connection = ConnectionManager.GetConnection())
            {
                var data = new ActivEarthDataProvidersDataContext(connection);

                int? groupId = (from g in data.GroupDataProviders
                                    where g.name.ToLower() == name.ToLower()
                                    select g.id
                                    ).FirstOrDefault();

                if (groupId == null)
                {
                    return null;
                }

                return GetGroupFromGroupId((int) groupId);
            }
        }