Select e.DataCol.Name
Case "订单时间","产品编号"
If e.DataRow.IsNull("订单时间") OrElse e.DataRow.IsNull("产品编号") Then
e.DataRow("发货批号") = Nothing
Else
Dim d As Date = e.DataRow("订单时间")
Dim y As Integer = d.Year
Dim m As Integer = d.Month
Dim Days As Integer = Date.DaysInMonth(y,m)
Dim fd As Date = New Date(y,m,1) '获得该月的第一天
Dim ld As Date = New Date(y,m,Days) '获得该月的最后一天
Dim bh As String = e.DataRow("产品编号") & "-" & Format(d,"yyMMddhh:mm") '生成编号的前缀
If e.DataRow("发货批号").StartsWith(bh) = False '如果生产批号前缀不符
Dim max As String
Dim idx As Integer
Dim flt As String
flt = "产品编号 = '"& e.DataRow("产品编号") & "' And 订单时间 >= #" & fd & "# And 订单时间 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(发货批号)",flt) '取得该月的相同产品编号的最大生产批号
If max > "" Then '如果存在最大单据编号
idx = CInt(max.Substring(18,3)) + 1 '获得最大生产批号的后二位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("发货批号") = bh & Format(idx,"000")
End If
End If
End Select
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Post By：2020/9/3 14:03:00 [只看该作者]
