FIX: When you use an ActiveX Data Objects Recordset object to access a database in SQL Server 2005, the Recordset object returns no records (914535)

SYMPTOMS

Consider the following scenario:

You use a Microsoft ActiveX Data Objects (ADO) Recordset object to access a database in Microsoft SQL Server 2005.
The query of the Recordset object is connected to a pair of tables by using a left outer join.
You set the CursorType property for the Recordset object to adOpenKeyset.

In this scenario, the Recordset object returns no records.

Note This problem does not occur when you try to access a database in Microsoft SQL Server 2000.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2005. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

913089 How to obtain the latest service pack for SQL Server 2005

WORKAROUND

To work around this problem, use one of the following methods:

Change the CursorType property for the Recordset object to one of the following settings:
- adOpenDynamic
- adOpenForwardOnly
- adOpenStatic
Change the CursorLocation property for the Recordset object to adUseClient.
When the query of the Recordset object is connected to a pair of tables by using a left outer join, add a primary key to each of these tables in SQL Server 2005.

STATUS

Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Microsoft SQL Server 2005 Service Pack 1.

REFERENCES

For more information about the ADO Recordset object, visit the following Microsoft Developer Network (MSDN) Web site:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ado270/htm/mdobjodbrec.asp

For more information about the type of cursor that is used in a Recordset object, visit the following MSDN Web site:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ado270/htm/mdcstcursortypeenum.asp

For more information about the location of the cursor service, visit the following MSDN Web site:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ado270/htm/mdcstcursorlocationenum.asp