DataColChanged事件代码
Select e.DataCol.Name
Case "订单时间","供应商编号"
If e.DataRow.IsNull("订单时间") OrElse e.DataRow.IsNull("供应商编号") Then
e.DataRow("编号") = Nothing
Else
Dim d As Date = e.DataRow("订单时间")
Dim y As Integer = d.Year
Dim y2 As String = cstr(y).SubString(2,2)
Dim bh As String = "CN-" & y2 & "-" '生成编号的前缀
Dim fd As Date = New Date(y,1,1) '获得该月的第一天
Dim ld As Date = New Date(y+1,1,1) '获得该月的最后一天
Dim dr As DataRow = DataTables("供应商资料").Find("供应商编号='" & e.DataRow("供应商编号") & "'")
If dr IsNot Nothing Then
If e.DataRow("编号").StartsWith(bh) = False OrElse e.DataRow("编号").EndsWith("-" & User.Group & " " & dr("供应商名称")) = False '如果单据编号前缀不符
Dim max As String
Dim idx As Integer
Dim flt As String
flt = "订单时间 >= #" & fd & "# And 订单时间 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.SQLCompute("Max(Left(编号,10))",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(6,4)) + 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("编号") = bh & Format(idx,"0000") & "-" & User.Group & " " & dr("供应商名称")
e.DataRow.Save
End If
End If
End If
End Select
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Post By：2016/11/23 16:38:00 [显示全部帖子]
