做个按钮:
Dim cnt as integer = DataTables("原始名单").Datarows.Count
写代码正常合并数据到原始名称
For i as integer = cnt to DataTables("原始名单").Datarows.Count -1
DataTables("原始名单").Datarows(i)("关联列") = Tables("展会信息").Current("关联列")
next