If e.DataCol.Name = "汇款日期" OrElse e.DataCol.Name = "回款细分" Then
If e.DataRow.IsNull("汇款日期") Then
e.DataRow("编号") = Nothing
Else
e.DataRow("编号") = Nothing
Dim bh As String = Format(e.DataRow("汇款日期"),"yyyyMMdd") '取得编号的8位前缀
If e.DataRow("编号").StartsWith(bh) = False '如果编号的前8位不符
Dim max ,flt As String
Dim idx As Integer
flt = "汇款日期 = #" & e.DataRow("汇款日期") & "# And [_Identify] < " & e.DataRow("_Identify")
Dim dr As DataRow = e.DataTable.Find(flt & " And 回款细分 = '" & e.DataRow("回款细分") & "'")
If dr IsNot Nothing Then
e.DataRow("编号") = dr("编号")
Else
max = e.DataTable.Compute("Max(编号)",flt) '取得该天的最大编号
If max > "" Then '如果存在最大编号
idx = CInt(max.Substring(9,3)) + 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("编号") = bh & "-" & Format(idx,"000")
End If
End If
End If
End If