Select e.DataCol.Name
Case "贸易国别","销售类型"
If e.DataRow.IsNull("贸易国别") OrElse e.DataRow.IsNull("销售类型") Then
e.DataRow("销售单号") = Nothing
Else
Dim gb As String = e.DataRow("贸易国别")
If e.DataRow("贸易国别") = "中国" Then
gb = "D"
Else
gb = "F"
End If
Dim lx As String = e.DataRow("销售类型")
If e.DataRow("销售类型") = "零售" Then
lx = "SS"
Else
lx = "SC"
End If
Dim d As Date = e.DataRow("制单日期")
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 = gb & lx & "-" & Format(d,"yyMM") & "-" '生成编号的前缀
If e.DataRow("销售单号").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 = "贸易国别 = 'gb' And 销售类型 = 'lx' And 制单日期 >= #" & fd & "# And 制单日期 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(销售单号)",flt) '取得该月的相同贸易国别贸易方式的最大单据编号
If max > "" Then '如果存在最大单据编号
idx = CInt(max.Substring(9,4)) + 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("销售单号") = bh & Format(idx,"0000")
End If
End If
End Select
[此贴子已经被作者于2014-3-31 21:24:25编辑过]
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Post By：2014/3/31 21:20:00 [显示全部帖子]
