讲解Access数据库中数据表的自动重新联接

Function ReAttachTable()
Dim MyDB As Database, MyTbl As TableDef
Dim cpath As String
Dim datafiles As String, i As Integer

On Error Resume Next
Set MyDB = CurrentDb
cpath = trimFileName(CurrentDb.Name)
datafiles = "stock-data.mdb"
DoCmd.Hourglass True
For i = 0 To MyDB.TableDefs.Count - 1
Set MyTbl = MyDB.TableDefs(i)
If MyTbl.Attributes = DB_ATTACHEDTABLE And Left(MyTbl.Connect, 1) = ";" Then
MyTbl.Connect = ";DATABASE=" & cpath & datafiles
MyTbl.RefreshLink
If Err Then
If vbNo = MsgBox(Err.description & "，继续吗？", vbYesNo) Then Exit For
End If
End If
Next i
DoCmd.Hourglass False
msgbox "Tables relink finish."
End Function

'绝对路径中去掉文件名，返回路径
Function trimFileName(fullname As String) As String
Dim slen As Long, i As Long
slen = Len(fullname)
For i = slen To 1 Step -1
If Mid(fullname, i, 1) = "\" Then
Exit For
End If
Next
trimFileName = Left(fullname, i)
End Function