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Select e.DataCol.Name
Case "产品代号","供应商管理SQE" ,"供货数量" ,"截止日期" ,"供应商"
If e.DataRow.IsNull("产品代号") OrElse e.DataRow.IsNull("供应商管理SQE") OrElse e.DataRow.IsNull("供货数量") OrElse e.DataRow.IsNull("截止日期") OrElse e.DataRow.IsNull("供应商")Then
e.DataRow("订单编号") = Nothing
Else
Dim d As Date = e.DataRow("截止日期")
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("产品代号") & "-" & e.DataRow("供应商管理SQE") & "-" & e.DataRow("供应商") & "-" & e.DataRow("供货数量") & Format(d,"yyyyMM") & "-" '生成编号的前缀
If e.DataRow("订单编号").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 = "产品代号 = '"& e.DataRow("产品代号") & "' And 供应商管理SQE= '"& e.DataRow("供应商管理SQE") & "'And 供应商 = '"& e.DataRow("供应商") & "' And 供货数量 = '"& e.DataRow("供货数量")& "' And 制单日期 >= #" & fd & "# And 制单日期 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(订单编号)",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("订单编号") = bh & Format(idx,"0000")
End If
End If
End Select
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Post By：2018/11/27 10:59:00 [显示全部帖子]
