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Q121950: HOWTO: Detect an Empty CRecordset Object

Article: Q121950
Product(s): Microsoft C Compiler
Version(s): 1.5,1.51,4.0,4.1,4.2,5.0,6.0
Operating System(s): 
Keyword(s): kbDatabase
Last Modified: 01-APR-2002

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The information in this article applies to:

- The Microsoft Foundation Classes (MFC), used with:
   - Microsoft Visual C++, versions 1.5, 1.51 
   - Microsoft Visual C++, 32-bit Enterprise Edition, versions 4.2, 5.0, 6.0 
   - Microsoft Visual C++, 32-bit Professional Edition, versions 4.0, 4.1, 4.2, 5.0, 6.0 
   - Microsoft Visual C++, 32-bit Learning Edition, versions 4.0, 4.2, 6.0 
   - Microsoft Visual C++.NET (2002) 
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SUMMARY
=======

The CRecordset represents a set of records obtained from a data source through a
query. If no records from the data source match the query, there will be no
records in the record set object so CRecordset::IsEOF and CRecordset::IsBOF both
return a nonzero value. A query is executed during calls to CRecordset::Open and
CRecordset::Requery, so empty record sets can be detected calling
CRecordset::IsEOF and/or CRecordset::IsBOF after executing a query.

REFERENCES
==========

This behavior is described in the documentation for CRecordset::IsEOF and
CRecordset::IsBOF.

Additional query words: empty recordset MfcDatabase kbprg

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Keywords          : kbDatabase 
Technology        : kbAudDeveloper kbMFC
Version           : :1.5,1.51,4.0,4.1,4.2,5.0,6.0
Issue type        : kbhowto

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