Select e.DataCol.Name '以下代码为先生成"出入库单据号明细"
Case "出入库单据号"
If e.DataRow.IsNull("出入库单据号") Then
e.DataRow("出入库单据号明细") = Nothing
Else
Dim lb As String = e.DataRow("出入库单据号")
If e.DataRow("出入库单据号明细").StartsWith(lb) = False '如果单据出入库单据号明细前缀不符
Dim max As String
Dim idx As Integer
max = e.DataTable.Compute("Max(出入库单据号明细)","出入库单据号 = '" & lb & "' And [_Identify] <> " & e.DataRow("_Identify")) '取得该出入库单据号的最大出入库单据号明细
If max > "" Then '如果存在最大出入库单据号明细
idx = CInt(max.Substring(lb.Length+1)) + 1 '获得最大出入库单据号明细的后三位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("出入库单据号明细") = lb & "-" & Format(idx,"000")
End If
End If
End Select
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Post By：2015/11/10 10:09:00 [显示全部帖子]
