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Select Case e.DataCol.Name
Case "第五列"
Dim dr As DataRow
Dim drs As List(of DataRow)
dr = e.DataTable.Find("[_SortKey] < " & e.DataRow("_SortKey"), "[_SortKey] Desc") '找出上一行
If dr Is Nothing Then '如果没有找到上一行,说明本行就是第一行
e.DataRow("第六列") = 0
dr = e.DataRow
End If
drs = e.DataTable.Select("[_SortKey] >= " & dr("_SortKey"), "[_SortKey]")
For i As Integer = 1 To drs.Count - 1 '重算余下行的余额
drs(i)("第六列") = (drs(i)("第五列")- drs(i-1)("第五列")).totalseconds
Next
End Select
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Post By：2019/6/17 16:07:00 [显示全部帖子]
