/// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(ROYcms.Sys.Model.ROYcms_Appendix model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into ROYcms_Appendix(");
            strSql.Append("Rid,TYPE,URL,Title,TIME)");
            strSql.Append(" values (");
            strSql.Append("@Rid,@TYPE,@URL,@Title,@TIME)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Rid",   SqlDbType.Int,       4),
                new SqlParameter("@TYPE",  SqlDbType.Int,       4),
                new SqlParameter("@URL",   SqlDbType.VarChar, 500),
                new SqlParameter("@Title", SqlDbType.VarChar, 500),
                new SqlParameter("@TIME",  SqlDbType.DateTime)
            };
            parameters[0].Value = model.Rid;
            parameters[1].Value = model.TYPE;
            parameters[2].Value = model.URL;
            parameters[3].Value = model.Title;
            parameters[4].Value = model.TIME;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);

            if (obj == null)
            {
                return(0);
            }
            else
            {
                return(Convert.ToInt32(obj));
            }
        }
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public ROYcms.Sys.Model.ROYcms_Appendix GetModel(int Id)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("select  top 1 Id,Rid,TYPE,URL,Title,TIME from ROYcms_Appendix ");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Id", SqlDbType.Int, 4)
            };
            parameters[0].Value = Id;

            ROYcms.Sys.Model.ROYcms_Appendix model = new ROYcms.Sys.Model.ROYcms_Appendix();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);

            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["Id"] != null && ds.Tables[0].Rows[0]["Id"].ToString() != "")
                {
                    model.Id = int.Parse(ds.Tables[0].Rows[0]["Id"].ToString());
                }
                if (ds.Tables[0].Rows[0]["Rid"] != null && ds.Tables[0].Rows[0]["Rid"].ToString() != "")
                {
                    model.Rid = int.Parse(ds.Tables[0].Rows[0]["Rid"].ToString());
                }
                if (ds.Tables[0].Rows[0]["TYPE"] != null && ds.Tables[0].Rows[0]["TYPE"].ToString() != "")
                {
                    model.TYPE = int.Parse(ds.Tables[0].Rows[0]["TYPE"].ToString());
                }
                if (ds.Tables[0].Rows[0]["URL"] != null && ds.Tables[0].Rows[0]["URL"].ToString() != "")
                {
                    model.URL = ds.Tables[0].Rows[0]["URL"].ToString();
                }
                if (ds.Tables[0].Rows[0]["Title"] != null && ds.Tables[0].Rows[0]["Title"].ToString() != "")
                {
                    model.Title = ds.Tables[0].Rows[0]["Title"].ToString();
                }
                if (ds.Tables[0].Rows[0]["TIME"] != null && ds.Tables[0].Rows[0]["TIME"].ToString() != "")
                {
                    model.TIME = DateTime.Parse(ds.Tables[0].Rows[0]["TIME"].ToString());
                }
                return(model);
            }
            else
            {
                return(null);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(ROYcms.Sys.Model.ROYcms_Appendix model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("update ROYcms_Appendix set ");
            strSql.Append("Rid=@Rid,");
            strSql.Append("TYPE=@TYPE,");
            strSql.Append("URL=@URL,");
            strSql.Append("Title=@Title,");
            strSql.Append("TIME=@TIME");
            strSql.Append(" where Id=@Id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@Rid",   SqlDbType.Int,         4),
                new SqlParameter("@TYPE",  SqlDbType.Int,         4),
                new SqlParameter("@URL",   SqlDbType.VarChar,   500),
                new SqlParameter("@Title", SqlDbType.VarChar,   500),
                new SqlParameter("@TIME",  SqlDbType.DateTime),
                new SqlParameter("@Id",    SqlDbType.Int, 4)
            };
            parameters[0].Value = model.Rid;
            parameters[1].Value = model.TYPE;
            parameters[2].Value = model.URL;
            parameters[3].Value = model.Title;
            parameters[4].Value = model.TIME;
            parameters[5].Value = model.Id;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }