|
If e.DataCol.name = "日期" Then
Dim d As Date = e.DataRow("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,"yyyyMM") '生成编号的前6位,4位年,2位月.
Dim nyr As String = Format(d,"yyyyMMdd") '生成编号的前8位,4位年,2位月,2位日
Dim max As String
Dim idx As Integer
max = e.DataTable.Compute("Max(订单批次)","日期 = #" & d & "# and 订单批次 is not null") '取得该月的最大编号
If max > "" Then
e.DataRow("订单批次") = max
' e.DataRow("订单需求号") = bh
Else
max = e.DataTable.Compute("Max(订单批次)","日期 >= #" & fd & "# And 日期 <= #" & ld & "# and 订单批次 is not null") '取得该月的最大编号
If max > "" Then '如果存在最大编号
idx = CInt(max.SubString(bh.length+1)) + 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("订单批次") = bh & "-" & Format(idx,"0000")
' e.DataRow("订单需求号") = bh
End If
end if
|
加好友 
发短信
Post By：2017/10/18 17:45:00 [显示全部帖子]
