/// <summary>
        /// 获得数据列表
        /// </summary>
        public List <System.Model.System_Config> DataTableToList(DataTable dt)
        {
            List <System.Model.System_Config> modelList = new List <System.Model.System_Config>();
            int rowsCount = dt.Rows.Count;

            if (rowsCount > 0)
            {
                System.Model.System_Config model;
                for (int n = 0; n < rowsCount; n++)
                {
                    model = new System.Model.System_Config();
                    if (dt.Rows[n]["id"].ToString() != "")
                    {
                        model.id = int.Parse(dt.Rows[n]["id"].ToString());
                    }
                    if (dt.Rows[n]["type"].ToString() != "")
                    {
                        model.type = int.Parse(dt.Rows[n]["type"].ToString());
                    }
                    model.toid  = dt.Rows[n]["toid"].ToString();
                    model.value = dt.Rows[n]["value"].ToString();
                    model.msg   = dt.Rows[n]["msg"].ToString();


                    modelList.Add(model);
                }
            }
            return(modelList);
        }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(System.Model.System_Config model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into System_Config(");
            strSql.Append("type,toid,value,msg");
            strSql.Append(") values (");
            strSql.Append("@type,@toid,@value,@msg");
            strSql.Append(") ");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters =
            {
                new SqlParameter("@type",  SqlDbType.Int,       4),
                new SqlParameter("@toid",  SqlDbType.NVarChar, 50),
                new SqlParameter("@value", SqlDbType.NVarChar, 50),
                new SqlParameter("@msg",   SqlDbType.NVarChar, 50)
            };

            parameters[0].Value = model.type;
            parameters[1].Value = model.toid;
            parameters[2].Value = model.value;
            parameters[3].Value = model.msg;

            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 System.Model.System_Config GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("select id, type, toid, value, msg  ");
            strSql.Append("  from System_Config ");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters =
            {
                new SqlParameter("@id", SqlDbType.Int, 4)
            };
            parameters[0].Value = id;


            System.Model.System_Config model = new System.Model.System_Config();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);

            if (ds.Tables[0].Rows.Count > 0)
            {
                if (ds.Tables[0].Rows[0]["id"].ToString() != "")
                {
                    model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
                }
                if (ds.Tables[0].Rows[0]["type"].ToString() != "")
                {
                    model.type = int.Parse(ds.Tables[0].Rows[0]["type"].ToString());
                }
                model.toid  = ds.Tables[0].Rows[0]["toid"].ToString();
                model.value = ds.Tables[0].Rows[0]["value"].ToString();
                model.msg   = ds.Tables[0].Rows[0]["msg"].ToString();

                return(model);
            }
            else
            {
                return(null);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(System.Model.System_Config model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("update System_Config set ");

            strSql.Append(" type = @type , ");
            strSql.Append(" toid = @toid , ");
            strSql.Append(" value = @value , ");
            strSql.Append(" msg = @msg  ");
            strSql.Append(" where id=@id ");

            SqlParameter[] parameters =
            {
                new SqlParameter("@id",    SqlDbType.Int,       4),
                new SqlParameter("@type",  SqlDbType.Int,       4),
                new SqlParameter("@toid",  SqlDbType.NVarChar, 50),
                new SqlParameter("@value", SqlDbType.NVarChar, 50),
                new SqlParameter("@msg",   SqlDbType.NVarChar, 50)
            };

            parameters[0].Value = model.id;
            parameters[1].Value = model.type;
            parameters[2].Value = model.toid;
            parameters[3].Value = model.value;
            parameters[4].Value = model.msg;
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
 /// <summary>
 /// 更新一条数据
 /// </summary>
 public bool Update(System.Model.System_Config model)
 {
     return(dal.Update(model));
 }
 /// <summary>
 /// 增加一条数据
 /// </summary>
 public int  Add(System.Model.System_Config model)
 {
     return(dal.Add(model));
 }