Select e.DataCol.Name
Case "订单日期","类别"
If e.DataRow.IsNull("订单日期") OrElse e.DataRow.IsNull("类别") Then
e.DataRow("订单号") = Nothing
Else
Dim d As Date = e.DataRow("订单日期")
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 = e.DataRow("类别") & "-" & Format(d,"yyyyMM") & "-" '生成编号的前缀
If e.DataRow("订单号").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 = "类别 = '"& e.DataRow("类别") & "' And 订单日期 >= #" & fd & "# And 订单日期 <= #" & ld & "# And [_Identify] <> " & e.DataRow("_Identify")
max = e.DataTable.Compute("Max(订单号)",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("订单号") = bh & Format(idx,"0000")
End If
End If
End Select
If e.DataCol.Name = "是否转销售单" Then
Dim fdr As DataRow = DataTables("销售单").Find("订单号 = '" & e.DataRow("订单号") & "'")
If e.NewValue = True Then
If fdr Is Nothing Then
fdr = DataTables("销售单").AddNew
End If
Dim nma() As String = {"客户姓名","客户地址","客户电话","订金","订单号"} 'A表数据来源列
Dim nmb() As String = {"客户姓名","客户地址","客户电话","订金","订单号"} 'B表数据接收列
For i As Integer = 0 To nma.Length - 1
fdr(nmb(i)) = e.DataRow(nma(i))
Next
Else
If fdr IsNot Nothing Then
fdr.Delete
End If
End If
DataTables("订单明细").ReplaceFor("是否转销售明细",e.DataRow("是否转销售单"),"订单号='" & e.DataRow("订单号") & "'")
End If