/// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(MessageRecordME model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into messageRecord(");
            strSql.Append("happenTime,messageID,dynamicContent)");
            strSql.Append(" values (");
            strSql.Append("@happenTime,@messageID,@dynamicContent)");
            SqlParameter[] parameters = {
                    new SqlParameter("@happenTime", SqlDbType.DateTime),
                    new SqlParameter("@messageID", SqlDbType.Int,4),
                    new SqlParameter("@dynamicContent", SqlDbType.NVarChar,255)};
            parameters[0].Value = model.happenTime;
            parameters[1].Value = model.messageID;
            parameters[2].Value = model.dynamicContent;

            int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
 /// <summary>
 /// 增加一条消息记录
 /// </summary>
 /// <param name="mesID"></param>
 /// <param name="dynamicContent"></param>
 /// <returns></returns>
 public bool RecordMessage(int mesID,string dynamicContent)
 {
     if(_mesDefDAL.Exists(mesID))
     {
         MessageRecordME m = new MessageRecordME();
         m.messageID = mesID;
         m.happenTime = System.DateTime.Now;
         m.dynamicContent = dynamicContent;
         if(_mesRecordDAL.Exists(m.happenTime))
         {
             Thread.Sleep(100);
             m.happenTime = System.DateTime.Now;
             return _mesRecordDAL.Add(m);
         }
         return _mesRecordDAL.Add(m);
     }
     else
     {
         return false;
     }
 }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(MessageRecordME model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update messageRecord set ");
            strSql.Append("messageID=@messageID,");
            strSql.Append("dynamicContent=@dynamicContent");
            strSql.Append(" where happenTime=@happenTime ");
            SqlParameter[] parameters = {
                    new SqlParameter("@messageID", SqlDbType.Int,4),
                    new SqlParameter("@dynamicContent", SqlDbType.NVarChar,255),
                    new SqlParameter("@happenTime", SqlDbType.DateTime)};
            parameters[0].Value = model.messageID;
            parameters[1].Value = model.dynamicContent;
            parameters[2].Value = model.happenTime;

            int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public MessageRecordME GetModel(DateTime happenTime)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 happenTime,messageID,dynamicContent from messageRecord ");
            strSql.Append(" where happenTime=@happenTime ");
            SqlParameter[] parameters = {
                    new SqlParameter("@happenTime", SqlDbType.DateTime)			};
            parameters[0].Value = happenTime;

            MessageRecordME model = new MessageRecordME();
            DataSet ds = _dbAssist.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["happenTime"] != null && ds.Tables[0].Rows[0]["happenTime"].ToString() != "")
                {
                    model.happenTime = DateTime.Parse(ds.Tables[0].Rows[0]["happenTime"].ToString());
                }
                if (ds.Tables[0].Rows[0]["messageID"] != null && ds.Tables[0].Rows[0]["messageID"].ToString() != "")
                {
                    model.messageID = int.Parse(ds.Tables[0].Rows[0]["messageID"].ToString());
                }
                if (ds.Tables[0].Rows[0]["dynamicContent"] != null && ds.Tables[0].Rows[0]["dynamicContent"].ToString() != "")
                {
                    model.dynamicContent = ds.Tables[0].Rows[0]["dynamicContent"].ToString();
                }
                return model;
            }
            else
            {
                return null;
            }
        }