ActivEarth.DAO.ChallengeDAO.UpdateChallenge C# (CSharp) Метод

        public static bool UpdateChallenge(Challenge challenge)
        {
            try
            {
                using (SqlConnection connection = ConnectionManager.GetConnection())
                {
                    var data = new ActivEarthDataProvidersDataContext(connection);
                    ChallengeDataProvider dbChallenge =
                        (from c in data.ChallengeDataProviders where c.id == challenge.ID select c).FirstOrDefault();
                    if (dbChallenge != null)
                    {
                        dbChallenge.name = challenge.Name;
                        dbChallenge.description = challenge.Description;
                        dbChallenge.reward = challenge.Reward;
                        dbChallenge.requirement = challenge.Requirement;
                        dbChallenge.persistent = challenge.IsPersistent;
                        dbChallenge.end_time = challenge.EndTime;
                        dbChallenge.duration_days = challenge.Duration.Days;
                        dbChallenge.statistic = (byte)challenge.StatisticBinding;
                        dbChallenge.active = challenge.IsActive;
                        dbChallenge.image_path = challenge.ImagePath;

                        data.SubmitChanges();
                        return true;
                    }
                    else
                    {
                        return false;
                    }
                }
            }
            catch (Exception)
            {
                return false;
            }
        }