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Example text

If your application inserts records into both a main table and a related table, such as Orders and Order Details, the AutoNumber primary key field value from the main table would be essential for setting the foreign key values in the related table. Deleting a Row 30 31 Another task that you likely will want to perform with recordsets is deleting records. The following pair of procedures shows one approach to this task. While this approach might not be optimal in some respects, it has the benefit of not requiring any special SQL syntax or even advanced ADO functionality.

Access offers several approaches to this task. Before Access 2000, many developers used one or more variations of the Find method in DAO. Access 2000 introduced a single Find method for ADO that consolidates the functionality of multiple DAO Find methods. If your applications used the earlier Find methods, you can achieve the same results with the consolidated method in Access 2000. Access 2003 has new Find method capabilities unavailable to Access developers with Access 2000. NOTE The Find method, along with the Seek method and Filter property, allows you to re-use an existing recordset rather than create a new recordset to recover rows your application needs.

The Filter property also resolves another shortcoming of the Find method: it can select records based on more than one field value. Furthermore, it does not require an index to accomplish this goal, as does the Seek method. The following two procedures filter a recordset based on the Customers table in the Northwind database. The FilterRecordset procedure manages the overall use of the Filter property, prints the results set, clears the filter, and then prints the results set again. The FilterRecordset procedure relies on the FilterLikeField function.

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