用ASP打開(kāi)遠(yuǎn)端MDB文件的方法
更新時(shí)間:2007年03月03日 00:00:00 作者:
如果你用ODBC connection (DSN or DSN-less)來(lái)訪問(wèn)遠(yuǎn)端的(UNC path)數(shù)據(jù)庫(kù), OLEDB會(huì)出現(xiàn)以下錯(cuò)誤信息:
Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC Microsoft Access Driver] The Microsoft Jet database engine cannot open the file '(unknown)'. It is already opened exclusively by another user, or you need permission to view its data.
你完全可以避免這種錯(cuò)誤--ASP和ActiveX支持兩種方式打開(kāi)MDB文件的DSN-less連接,或由其它機(jī)器訪問(wèn)MDB文件。
1. DAO database (only for small load)
Dim File, Conn, RS
Const ReadOnly = False
File = "\\server\share\file.mdb"
Set Conn = CreateObject("DAO.DBEngine.35").Workspaces(0).OpenDatabase(File,,ReadOnly)
Set RS = Conn.OpenRecordset(SQL)
2. ADO + Jet OLE DB provider
Dim Conn, RS
Set Conn = CreateObject("ADODB.Connection")
Conn.Provider = "Microsoft.Jet.OLEDB.4.0"
Conn.Open "\\server\share\file.mdb"
Set RS = Conn.Execute(SQL)
你得確定使用ASP的用戶有NT的數(shù)據(jù)庫(kù)及共享訪問(wèn)權(quán)限。
假定有權(quán)限的話,你亦可訪問(wèn)其它機(jī)器中的開(kāi)放數(shù)據(jù)連接:
'http://www.pstruh.cz
Set UM = CreateObject("UserManager.Server")
UM.LogonUser "Login with the rights", "Password", "Domain"
...
open database
...
UM.RevertToSelf
Microsoft OLE DB Provider for ODBC Drivers error '80004005'
[Microsoft][ODBC Microsoft Access Driver] The Microsoft Jet database engine cannot open the file '(unknown)'. It is already opened exclusively by another user, or you need permission to view its data.
你完全可以避免這種錯(cuò)誤--ASP和ActiveX支持兩種方式打開(kāi)MDB文件的DSN-less連接,或由其它機(jī)器訪問(wèn)MDB文件。
1. DAO database (only for small load)
Dim File, Conn, RS
Const ReadOnly = False
File = "\\server\share\file.mdb"
Set Conn = CreateObject("DAO.DBEngine.35").Workspaces(0).OpenDatabase(File,,ReadOnly)
Set RS = Conn.OpenRecordset(SQL)
2. ADO + Jet OLE DB provider
Dim Conn, RS
Set Conn = CreateObject("ADODB.Connection")
Conn.Provider = "Microsoft.Jet.OLEDB.4.0"
Conn.Open "\\server\share\file.mdb"
Set RS = Conn.Execute(SQL)
你得確定使用ASP的用戶有NT的數(shù)據(jù)庫(kù)及共享訪問(wèn)權(quán)限。
假定有權(quán)限的話,你亦可訪問(wèn)其它機(jī)器中的開(kāi)放數(shù)據(jù)連接:
'http://www.pstruh.cz
Set UM = CreateObject("UserManager.Server")
UM.LogonUser "Login with the rights", "Password", "Domain"
...
open database
...
UM.RevertToSelf
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