实例分析Access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