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Article ID: 311058 - Last Review: May 13, 2007 - Revision: 2.3
INFO: Microsoft .NET Framework Does Not Support Data Access Object
This article was previously published under Q311058
SUMMARY
Data Access Object (DAO) libraries, which are mainly built
on Component Object Model (COM) technology, are not tested with COM Interop in
the Microsoft .NET Framework. Therefore, Microsoft and Microsoft Product
Support Services (PSS) do not guarantee the performance of DAO when you use it
with the .NET Framework.
MORE INFORMATION
DAO provides a framework for using code to create and
manipulate databases. DAO supplies a hierarchical set of objects that use the
Microsoft Jet database engine to access data and database structure in the
following:
- Microsoft Jet databases (.mdb).
- Open Database Connectivity (ODBC) data sources by using an
ODBC driver.
- Installable indexed sequential access method (ISAM)
databases that the database engine can read directly, such as dBASE, Paradox,
and Microsoft Visual FoxPro.
The Microsoft .NET Framework uses Interop to promote
interaction with COM components, COM+ services, external type libraries, and
many operating system services. However, DAO is not tested and therefore not
supported in the .NET Framework with COM Interop.
NOTE: Microsoft recommends that you use Microsoft ActiveX Data Objects
(ADO) or Microsoft ADO.NET with Microsoft Jet OLE DB Provider to connect to an
Access database from a Microsoft Visual Studio .NET application.
REFERENCES
For more information on DAO, refer to the following MSDN
documentation:
For more information on COM Interop, refer to the following MSDN
documentation:
For more information on ADO.NET objects and syntax, refer to the
following topic in the Microsoft .NET Framework Software Development Kit (SDK)
documentation:
For additional information, click the article number below
to view the article in the Microsoft Knowledge Base:
313590Â
(http://kbalertz.com/Feedback.aspx?kbNumber=313590/EN-US/
)
INFO: Roadmap for ADO.NET
APPLIES TO
- Microsoft .NET Framework 1.1
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