Dim t1 As Table=Tables("生产通知单.生产通知单明细1") Dim t2 As Table =Tables("生产通知单.生产通知单明细2") For i As Integer = t1.Rows.count- 1 To 0 Step -1 Dim dr1 As Row = t1.Rows(i) Dim dr2 As Row = t2.Rows(i) If dr1.IsNull("支数") = False Then dr1.save() dr2.save() Else dr1.delete() dr2.Delete() End If Next