public IList<Core.Business.SubCenterNote> GetAllSubCenterNote()
        {
            IList<Core.Business.SubCenterNote> subCenterNotelist = new List<Core.Business.SubCenterNote>();
            SqlServerUtility sql = new SqlServerUtility();

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

            if(reader != null)
            {
                while(reader.Read())
                {
                    Core.Business.SubCenterNote subCenterNote = new Core.Business.SubCenterNote();

                    if (!reader.IsDBNull(0)) subCenterNote.Id = reader.GetGuid(0);
                    if (!reader.IsDBNull(1)) subCenterNote.SubCenterID = reader.GetGuid(1);
                    if (!reader.IsDBNull(2)) subCenterNote.Title = reader.GetString(2);
                    if (!reader.IsDBNull(3)) subCenterNote.Content = reader.GetString(3);
                    if (!reader.IsDBNull(4)) subCenterNote.Annex = reader.GetGuid(4);
                    if (!reader.IsDBNull(5)) subCenterNote.Author = reader.GetString(5);
                    if (!reader.IsDBNull(6)) subCenterNote.Addtime = reader.GetDateTime(6);

                    subCenterNote.MarkOld();
                    subCenterNotelist.Add(subCenterNote);
                }
                reader.Close();
            }
            return subCenterNotelist;
        }
        public Core.Business.SubCenterNote Select(Guid id)
        {
            SqlServerUtility sql = new SqlServerUtility();

            sql.AddParameter("@Id", SqlDbType.UniqueIdentifier, id);
            SqlDataReader reader = sql.ExecuteSPReader("usp_SelectSubCenterNote");

            if (reader != null && !reader.IsClosed && reader.Read())
            {
                Core.Business.SubCenterNote subCenterNote = new Core.Business.SubCenterNote();

                if (!reader.IsDBNull(0)) subCenterNote.Id = reader.GetGuid(0);
                if (!reader.IsDBNull(1)) subCenterNote.SubCenterID = reader.GetGuid(1);
                if (!reader.IsDBNull(2)) subCenterNote.Title = reader.GetString(2);
                if (!reader.IsDBNull(3)) subCenterNote.Content = reader.GetString(3);
                if (!reader.IsDBNull(4)) subCenterNote.Annex = reader.GetGuid(4);
                if (!reader.IsDBNull(5)) subCenterNote.Author = reader.GetString(5);
                if (!reader.IsDBNull(6)) subCenterNote.Addtime = reader.GetDateTime(6);

                reader.Close();
                return subCenterNote;
            }
            else
            {
                if (reader != null && !reader.IsClosed)
                    reader.Close();

                return null;
            }
        }