// Create and open a recordset object
// directly from CRecordset. Note that a
// table must exist in a connected database.
// Use forwardOnly type recordset for best
// performance, since only MoveNext is required
CRecordset rs( &db );
rs.Open( CRecordset::forwardOnly,
_T( "SELECT * FROM SomeTable" ) );
// Create a CDBVariant object to
// store field data
CDBVariant varValue;
// Loop through the recordset,
// using GetFieldValue and
// GetODBCFieldCount to retrieve
// data in all columns
short nFields = rs.GetODBCFieldCount( );
while( !rs.IsEOF( ) )
{
for( short index = 0; index < nFields; index++ )
{
rs.GetFieldValue( index, varValue );
// do something with varValue
}
rs.MoveNext( );
}