以文本方式查看主题

-  Foxtable(狐表)  (http://foxtable.com/bbs/index.asp)
--  专家坐堂  (http://foxtable.com/bbs/list.asp?boardid=2)
----  自动编码  (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=66715)

--  作者:新航程小何
--  发布时间:2015/4/12 18:05:00
--  自动编码
各位老师,我想实现一种编码功能:

Select e.DataCol.Name
    Case
"类别"
       
If e.DataRow.IsNull("类别") Then
            e.
DataRow("编号") = Nothing
        Else
            Dim
lb As String = e.DataRow("类别")
            If
e.DataRow("编号").StartsWith(lb) = False \'如果单据编号前缀不符
               
Dim max As String
               
Dim idx As Integer

                max = e.DataTable.Compute("Max(编号)","类别 = \'" & lb & "\' And [_Identify] <> " & e.DataRow("_Identify")) \'取得该类别的最大编号
               
If max > "" Then \'如果存在最大编号
                    idx = CInt(max.Substring(
2,3)) + 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") = lb & Format(idx,"000")
            End
If
        End
If
End
Select

用这个代码实现的功能是固定位数的编码,:类别+顺序码,但是我对类别的位数不确定,这个代码怎么实现?


--  作者:有点酸
--  发布时间:2015/4/12 20:39:00
--  
Select e.DataCol.Name
    Case "类别"
        If e.DataRow.IsNull("类别") Then
            e.DataRow("编号") = Nothing
        Else
            Dim lb As String = e.DataRow("类别")
            If e.DataRow("编号").StartsWith(lb) = False \'如果单据编号前缀不符
                Dim max As String
                Dim idx As Integer
                max = e.DataTable.Compute("Max(编号)","类别 = \'" & lb & "\' And [_Identify] <> " & e.DataRow("_Identify")) \'取得该类别的最大编号
                If max > "" Then \'如果存在最大编号
                    idx = CInt(max.Substring(lb.Length,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") = lb & Format(idx,"000")
            End If
        End If
End Select