//要使用 VC++ Extensions，必须在应用程序中包含的头文件：
#include 'icrsint.h'
// 该类从'authors'表中 摘取出 fname, lname, city和state 四个字段
class CAuthorsRs : public CADORecordBinding
{
BEGIN_ADO_BINDING(CAuthorsRs)
ADO_VARIABLE_LENGTH_ENTRY2(1, adVarChar, m_au_fname,
sizeof(m_au_fname), l_fnameStatus, TRUE)
ADO_VARIABLE_LENGTH_ENTRY2(2, adVarChar, m_au_lname,
sizeof(m_au_lname), l_lnameStatus, TRUE)
ADO_VARIABLE_LENGTH_ENTRY2(3, adVarChar, m_au_city,
sizeof(m_au_city), l_cityStatus, TRUE)
ADO_VARIABLE_LENGTH_ENTRY2(4, adChar, m_au_state,
sizeof(m_au_state), l_stateStatus, TRUE)
END_ADO_BINDING()
public:
char m_au_fname[21];
ULONG l_fnameStatus;
char m_au_lname[41];
ULONG l_lnameStatus;
char m_au_city[21];
ULONG l_cityStatus;
char m_au_state[3];
ULONG l_stateStatus;
}; |