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Select e.DataCol.Name
Case "订单日期","供应商代码"
If e.DataRow.IsNull("订单日期") OrElse e.DataRow.IsNull("供应商代码") Then
e.DataRow("采购订单号") = Nothing
Else
Dim d As Date = e.DataRow("订单日期")
Dim fd As Date = New Date(d.Year,1,1)
Dim ld As Date = fd.AddYears(1)
Dim bh As String = e.DataRow("供应商代码") & "-" & Format(d,"yyyy") & "-" '生成编号的前缀
If e.DataRow("采购订单号").StartsWith(bh) = False '如果单据编号前缀不符
Dim max As String
Dim idx As Integer
Dim flt As String
flt = "供应商代码 = '"& e.DataRow("供应商代码") & "' And 订单日期 >= #" & fd & "# And 订单日期 < #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(采购订单号)",flt) '取得该月的相同工程代码的最大单据编号
If max > "" Then '如果存在最大单据编号
idx = CInt(max.Substring(bh.Length,4)) + 1 '获得最大单据编号的后四位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("采购订单号") = bh & Format(idx,"0000")
End If
End If
End Select
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Post By：2014/7/15 11:25:00 [显示全部帖子]
