openx.h

visual c++ 很全的ado的sample

#include "icrsint.h"

// This Class extracts only fname,lastname and 
// hire_date from employee table
class CEmployeeRs : public CADORecordBinding
{

BEGIN_ADO_BINDING(CEmployeeRs)
    
    // Column fname is the 2nd field in the table   
   ADO_VARIABLE_LENGTH_ENTRY2(2, adVarChar, m_sze_fname, 
         sizeof(m_sze_fname), le_fnameStatus, FALSE)
    
    // Column lname is the 4th field in the table.
   ADO_VARIABLE_LENGTH_ENTRY2(4, adVarChar, m_sze_lname, 
         sizeof(m_sze_lname), le_lnameStatus, FALSE)

    // Column hiredate is the 8th field in the table.
   ADO_VARIABLE_LENGTH_ENTRY2(8, adDBDate,m_sze_hiredate, 
         sizeof(m_sze_hiredate), le_hiredateStatus, TRUE)
   
END_ADO_BINDING()

public:
   CHAR        m_sze_fname[21];
   ULONG    le_fnameStatus;
   CHAR        m_sze_lname[31];
   ULONG    le_lnameStatus;
   DBDATE    m_sze_hiredate;
   ULONG    le_hiredateStatus;
};