public IList<CY.UME.Core.Business.SpaceComment> SearchLeaveList(string Name, DateTime StartTime, DateTime EndTime)
        {
            List<CY.UME.Core.Business.SpaceComment> LeaveList = new List<SpaceComment>();
            SqlServerUtility sql = new SqlServerUtility(connectionString);
            StringBuilder sqlstr = new StringBuilder();
            sqlstr.Append("Select * From SpaceComment INNER JOIN SpaceCommentExtend ON SpaceComment.Id=SpaceCommentExtend.Id Where SpaceCommentExtend.Type='Killing'");
            if (Name != string.Empty)
            {
                IList<long> accidlist = CY.UME.Core.Business.Account.GetAccountIdByName(Name);
                if (accidlist != null && accidlist.Count != 0)
                {
                    sqlstr.Append(" and (");
                    for (int i = 0; i < accidlist.Count; i++)
                    {
                        if (i != 0)
                        {
                            sqlstr.Append("or ");
                        }
                        sqlstr.Append("SpaceComment.AuthorId=" + accidlist[i] + " ");
                    }
                    sqlstr.Append(") ");
                }
            }
            if (StartTime.ToString("yyyy-MM-dd") != "0001-01-01")
            {
                sqlstr.Append(" and datediff(s,SpaceComment.DateCreated,'" + StartTime + "') <0");
            }
            if (EndTime.ToString("yyyy-MM-dd") != "0001-01-01")
            {
                sqlstr.Append(" and datediff(s,SpaceComment.DateCreated,'" + EndTime + "') >0");
            }
            sqlstr.Append(" ORDER by SpaceComment.DateCreated DESC");

            SqlDataReader reader = sql.ExecuteSqlReader(sqlstr.ToString());

            if (reader != null)
            {
                while (reader.Read())
                {
                    CY.UME.Core.Business.SpaceComment scomment = new SpaceComment();

                    long id = reader.GetInt64(0);
                    scomment = Core.Business.SpaceComment.Load(id);

                    scomment.MarkOld();
                    LeaveList.Add(scomment);
                }
                reader.Close();
            }

            return LeaveList;
        }
        /// <summary>
        /// 得到留言
        /// </summary>
        /// <param name="uid"></param>
        /// <param name="pinfo"></param>
        /// <returns></returns>
        public IList<CY.UME.Core.Business.SpaceComment> GetLevelWordsList(PagingInfo pinfo, CY.UME.Core.Business.InstantlyKilling instantlyKilling)
        {
            IList<CY.UME.Core.Business.SpaceComment> LeaveList = new List<CY.UME.Core.Business.SpaceComment>();
            SqlServerUtility sql = new SqlServerUtility(connectionString);

            #region 参数

            string tables = "SpaceComment INNER JOIN SpaceCommentExtend ON SpaceComment.Id=SpaceCommentExtend.Id";
            string pK = "SpaceComment.Id";
            string sort = "SpaceComment.DateCreated Desc";
            int pageNum = pinfo.CurrentPage;
            int pageSize = pinfo.PageSize;
            string fields = "SpaceComment.Id,SpaceComment.AuthorId,SpaceComment.Content,SpaceComment.DateCreated";
            string filter = " SpaceCommentExtend.Type='Killing'";
            if (instantlyKilling != null)
            {
                filter += " and SpaceCommentExtend.InstanceId=" + instantlyKilling.Id;
            }

            string group = String.Empty;

            #endregion

            sql.AddParameter("@Tables", SqlDbType.VarChar, tables);
            sql.AddParameter("@PK", SqlDbType.VarChar, pK);
            sql.AddParameter("@Sort", SqlDbType.VarChar, sort);
            sql.AddParameter("@PageNumber", SqlDbType.Int, pageNum);
            sql.AddParameter("@PageSize", SqlDbType.Int, pageSize);
            sql.AddParameter("@Fields", SqlDbType.VarChar, fields);
            sql.AddParameter("@Filter", SqlDbType.VarChar, filter);
            sql.AddParameter("@Group", SqlDbType.VarChar, group);
            SqlDataReader reader = sql.ExecuteSPReader("Paging_RowCount");

            if (reader != null)
            {
                while (reader.Read())
                {
                    CY.UME.Core.Business.SpaceComment scomment = new SpaceComment();

                    long id = reader.GetInt64(0);
                    scomment = Core.Business.SpaceComment.Load(id);

                    scomment.MarkOld();
                    LeaveList.Add(scomment);
                }
                reader.Close();
            }

            return LeaveList;
        }