If e.DataCol.Name = "接单日期" Then
If e.DataRow.IsNull("接单日期") Then
e.DataRow("订单编号") = Nothing
Else
Dim d As Date = e.DataRow("接单日期")
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 = Format(d,"yyMM") '生成编号的前6位,4位年,2位月.
If e.DataRow("订单编号").StartsWith(bh) = False '如果编号的前6位不符
Dim fdr As DataRow = e.DataTable.find("接单日期 = #" & e.DataRow("接单日期") & "# and 客户名称 = '" & e.DataRow("客户名称") & "' and 订单编号 is not null And [_Identify] <> " & e.DataRow("_Identify"))
If fdr IsNot Nothing Then
e.DataRow("订单编号") = fdr("订单编号")
Else
Dim max As String
Dim idx As Integer
max = e.DataTable.Compute("Max(订单编号)","接单日期 = #" & e.DataRow("接单日期") & "# And [_Identify] <> " & e.DataRow("_Identify")) '取得该天的最大编号
If max > "" Then '如果存在最大编号
idx = CInt(max.Substring(7,3)) + 1 '获得最大编号的后三位顺序号,并加1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("订单编号") = bh & "FD-" & Format(idx,"000")
End If
End If
End If
End If
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Post By：2018/5/14 17:02:00 [只看该作者]
