dataset1 里面存放A1字段数据,dataset2 存放B1字段数据。如何将A1每一行记录和B1所有行对应,组成一个新的dataset.例如:dataset1        dataset2                            dataset3A1                  B1                                A2               B2a                   22                                 a               22b                   23          =>                     a               23c                   24                                 a               24                                                       b               22                                                       b               23                                                       b               24
                                                                      dataset数据合并 C#