重置列 报错
For Each dr As DataRow In DataTables("主表").DataRows
Select e.DataCol.Name
Case "编号"
If e.DataRow.IsNull("编号") Then
e.DataRow("编号") = Nothing
Else
Dim lb As String = e.DataRow("英文简写")
If e.DataRow("编号").StartsWith(lb) = False '如果单据产品编号前缀不符
Dim max As String
Dim idx As Integer
max = e.DataTable.Compute("Max(编号)","-"&"英文简写 = '" & lb & "' And [_Identify] <> " & e.DataRow("_Identify")) '取得该类别代号的最大产品编号
If max > "" Then '如果存在最大产品编号
idx = CInt(max.Substring(max.Length -4,4)) + 1
Else
idx = 1 '否则顺序号等于1
End If
e.DataRow("编号") = lb & "-" & Format(idx,"0000")
End If
End If
End Select
哪的问题呀?看的眼睛都花掉了
[此贴子已经被作者于2021/1/25 18:54:49编辑过]