[求助]想学习下集合的使用,执行结果想不明白了 Post By:2015/1/9 11:09:00 [只看该作者]
Dim drs As List(Of DataRow) = DataTables("工序合并表").Select("母卷号 = 'CD141208'", "卷号,起始时间") drs(0)("投料量")=drs(0)("重量") For i As Integer = 1 To drs.Count - 1 If drs(i)("卷号").Contains(drs(i-1)("卷号")) Then drs(i)("投料量") = drs(i-1)("投料量") Else drs(i)("投料量") = 0 End If Next