/// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(CZB.Model.FX_CityParaDetails model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("update FX_CityParaDetails set ");
            strSql.Append("CityCode=@CityCode,");
            strSql.Append("ParaCode=@ParaCode,");
            strSql.Append("ParaValue=@ParaValue,");
            strSql.Append("CreateTime=@CreateTime");
            strSql.Append(" where CityParaDetailsId=@CityParaDetailsId");
            SqlParameter[] parameters =
            {
                new SqlParameter("@CityCode",          SqlDbType.Int,        4),
                new SqlParameter("@ParaCode",          SqlDbType.NVarChar,  50),
                new SqlParameter("@ParaValue",         SqlDbType.NVarChar,  50),
                new SqlParameter("@CreateTime",        SqlDbType.DateTime),
                new SqlParameter("@CityParaDetailsId", SqlDbType.Int, 4)
            };
            parameters[0].Value = model.CityCode;
            parameters[1].Value = model.ParaCode;
            parameters[2].Value = model.ParaValue;
            parameters[3].Value = model.CreateTime;
            parameters[4].Value = model.CityParaDetailsId;

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

            if (rows > 0)
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(CZB.Model.FX_CityParaDetails model)
        {
            StringBuilder strSql = new StringBuilder();

            strSql.Append("insert into FX_CityParaDetails(");
            strSql.Append("CityCode,ParaCode,ParaValue,CreateTime)");
            strSql.Append(" values (");
            strSql.Append("@CityCode,@ParaCode,@ParaValue,@CreateTime)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters =
            {
                new SqlParameter("@CityCode",   SqlDbType.Int,       4),
                new SqlParameter("@ParaCode",   SqlDbType.NVarChar, 50),
                new SqlParameter("@ParaValue",  SqlDbType.NVarChar, 50),
                new SqlParameter("@CreateTime", SqlDbType.DateTime)
            };
            parameters[0].Value = model.CityCode;
            parameters[1].Value = model.ParaCode;
            parameters[2].Value = model.ParaValue;
            parameters[3].Value = model.CreateTime;

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

            if (obj == null)
            {
                return(0);
            }
            else
            {
                return(Convert.ToInt32(obj));
            }
        }