public IList<CY.UME.Core.Business.PictureExtend> GetActivityPicture(long accountId, string activityId,string activityPicId)
        {
            IList<Core.Business.PictureExtend> pictureExtendlist = new List<Core.Business.PictureExtend>();
            SqlServerUtility sql = new SqlServerUtility(connectionString);
            sql.AddParameter("@AccountId", SqlDbType.BigInt, accountId);
            sql.AddParameter("@ActivityId", SqlDbType.NVarChar, activityId);
            sql.AddParameter("@ActivityPicId", SqlDbType.NVarChar, activityPicId);

            SqlDataReader reader = sql.ExecuteSPReader("USP_PictureExtend_Select_By_AccountId_And_ActivityId_And_ActivityPicId");

            if (reader != null)
            {
                while (reader.Read())
                {
                    Core.Business.PictureExtend pictureExtend = new Core.Business.PictureExtend();
                    long Id = 0;

                    if (!reader.IsDBNull(0)) Id = reader.GetInt64(0);

                    pictureExtend = CY.UME.Core.Business.PictureExtend.Load(Id);
                    pictureExtend.MarkOld();
                    pictureExtendlist.Add(pictureExtend);
                }
                reader.Close();
            }
            return pictureExtendlist;
        }
        public IList<Core.Business.PictureExtend> GetAllPictureExtend()
        {
            IList<Core.Business.PictureExtend> pictureExtendlist = new List<Core.Business.PictureExtend>();
            SqlServerUtility sql = new SqlServerUtility(connectionString);

            SqlDataReader reader = sql.ExecuteSPReader("USP_PictureExtend_SelectAll");

            if(reader != null)
            {
                while(reader.Read())
                {
                    Core.Business.PictureExtend pictureExtend = new Core.Business.PictureExtend();
                    long Id = 0;

                    if (!reader.IsDBNull(0)) Id = reader.GetInt64(0);

                    pictureExtend = CY.UME.Core.Business.PictureExtend.Load(Id);
                    pictureExtend.MarkOld();
                    pictureExtendlist.Add(pictureExtend);
                }
                reader.Close();
            }
            return pictureExtendlist;
        }