C#实现执行数据库事务案例

public static bool CreateUserOrder(UserOrder model, string Ids)
        {
            List<string> SQLStringList = new List<string>();
            List<DbParameter[]> Parameters = new List<DbParameter[]>();
            StringBuilder strSql = new StringBuilder();

            //添加OrderInfor
            SqlParameter[] parameters1 = OrderInforDAL.BuildOrderInforAddParameter(model.UserId, model.OrderCode, Ids, ref strSql);
            SQLStringList.Add(strSql.ToString());
            Parameters.Add(parameters1);

            //添加UserOrder
            SqlParameter[] parameters2 = BuildUserOrderAddParameter(model, ref strSql);
            SQLStringList.Add(strSql.ToString());
            Parameters.Add(parameters2);

            //清空购物车
            SqlParameter[] parameters3 = BasketDetailDAL.BuildUpdateParameter(true, Ids, ref strSql);
            SQLStringList.Add(strSql.ToString());
            Parameters.Add(parameters3);

            //修改优惠劵状态
            if (model.CouponId > 0)
            {
                SqlParameter[] parameters4 = CouponDAL.BuildUpdateParameter(model.CouponId, 1, model.OrderCode, ref strSql);
                SQLStringList.Add(strSql.ToString());
                Parameters.Add(parameters4);
            }

            return access.ExecuteSqlTran(SQLStringList, Parameters, true);
        }

internal static SqlParameter[] BuildOrderInforAddParameter(int UserId, string OrderCode, string Ids, ref StringBuilder strSql)
        {
            strSql = new StringBuilder();
            strSql.Append("INSERT INTO OrderInfor(");
            strSql.Append("UserId,X_ProId,X_ProName,StockNum,BuyNum,UnitPrice,OrderCode,TotalPrice,IsOther)");
            strSql.Append(" select UserId,X_ProId,X_ProName,StockNum,BuyNum,UnitPrice,@OrderCode,TotalPrice,IsOther from BasketDetail");
            strSql.AppendFormat(" where UserId=@UserId and IsSubmit=‘false‘ and IsInquiry=2 and IsExpired=0 and BasketDetailId in ({0})", Ids);
            SqlParameter[] parameters = {
                    new SqlParameter("@OrderCode", SqlDbType.NVarChar,100),
                    new SqlParameter("@UserId", SqlDbType.Int)
            };
            parameters[0].Value = OrderCode;
            parameters[1].Value = UserId;
            return parameters;
        }

internal static SqlParameter[] BuildUpdateParameter(int CouponId, int State, string OrderCode, ref StringBuilder strSql)
        {
            strSql = new StringBuilder();
            strSql.Append("update Coupon set");
            strSql.Append(" [State]=@State,OrderCode=@OrderCode");
            strSql.AppendFormat(" where ID={0}", CouponId);
            SqlParameter[] parameters = {
                    new SqlParameter("@State", SqlDbType.Int),
                    new SqlParameter("@OrderCode", SqlDbType.NVarChar,50)
            };
            parameters[0].Value = State;
            parameters[1].Value = OrderCode;
            return parameters;
        }