marshaloptionsx.h

visual c++ 很全的ado的sample

// MarshalOptionsX.h

#include "icrsint.h"

//This Class extracts only fname,lname from employees table  
class CEmployeeRs : public CADORecordBinding
{
BEGIN_ADO_BINDING(CEmployeeRs)

    //Column fname is the 1st field in the recordset
    ADO_VARIABLE_LENGTH_ENTRY2(1, adVarChar, m_szemp_fname, 
         sizeof(m_szemp_fname), lemp_fnameStatus, TRUE)
   
     //Column lname is the 2nd field in the recordset
    ADO_VARIABLE_LENGTH_ENTRY2(2, adVarChar, m_szemp_lname, 
         sizeof(m_szemp_lname), lemp_lnameStatus, TRUE)

END_ADO_BINDING()

public:
   CHAR   m_szemp_fname[21];
   ULONG   lemp_fnameStatus;
   CHAR   m_szemp_lname[31];
   ULONG   lemp_lnameStatus;
};