//Readsqlconsole.cpp: main project file.
#include "stdafx.h"
#include <iostream>
#include<iostream>
#include<iomanip>//for setw()
#include"windows.h"
#import "C:Program FilesCommon FilesSystemadomsado15.dll" no_namespace rename("EOF","EndOfFile")
using namespace System;
using namespace std;
int main(array<System::String ^> ^args)
{
::CoInitialize(NULL);
//The type is defined in msado15.dll
_RecordsetPtr m_pRecordset("ADODB.Recordset");
_ConnectionPtr m_pConnection("ADODB.Connection");
_bstr_t bstrSQL("select * from er_order where pactnumber like '13010000%' order by pactnumber"); //The corresponding SQL statement
try
{
clog << " Connecting to database ..." << endl;
m_pConnection.CreateInstance("ADODB.Connection");//Create a Connection object
//Set the connection string, which must be of type BSTR or _bstr_t
_bstr_t strConnect = "Provider=SQLOLEDB; Server= [database example] ;Database= Database name ; uid= Database user ; pwd= 【 password 】 ;";
m_pConnection->Open(strConnect, "", "", adModeUnknown);//Server connection
if (m_pConnection == NULL)
{
std::cerr << "Lind data ERROR!n";
}
m_pRecordset.CreateInstance(__uuidof(Recordset));//Create a recordset object
//Gets the records in the table
m_pRecordset->Open(bstrSQL, m_pConnection.GetInterfacePtr(), adOpenDynamic, adLockOptimistic, adCmdText);
_variant_t PactNumber, OrigCount;//Fields in the corresponding library
cout << "-------------- The contract list --------------" << endl;
while (!m_pRecordset->EndOfFile)
{
PactNumber = m_pRecordset->GetCollect("Pactnumber");
OrigCount = m_pRecordset->GetCollect("Origcount");
cout << " The contract no. :" << setw(10) << (char*)(_bstr_t)PactNumber;
cout << " Sign the bill amount :" << setw(7) << (char*)(_bstr_t)OrigCount << endl;
m_pRecordset->MoveNext();//Next record
}
m_pRecordset->Close();//Close recordset
}
catch (_com_error e)//The catching
{
cerr << "nERROR:" << (char*)e.Description();
}
if (m_pConnection->State)
{
m_pConnection->Close();
}
::CoUninitialize();
Console::ReadLine();
return 0;
}