#if !defined(AFX_ADODBUTIL_H__6843170B_8B7F_4A71_AA88_EBA92C6B3247__INCLUDED_)
#define AFX_ADODBUTIL_H__6843170B_8B7F_4A71_AA88_EBA92C6B3247__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#pragma warning(disable:4146)
#import "c:/Program Files/Common Files/System/ado/msado15.dll" no_namespace rename("EOF","adoEOF") rename("BOF","adoBOF")

#include <string>

class CABDBUtil  
{
private:
	void ExitConnect();//断开链接
	void InitADOConnect();//初始化链接数据库
	_ConnectionPtr m_pConnection;//添加一个指向Connect对象的指针
	static CABDBUtil* m_Instance; //Singleton
	CABDBUtil();
	virtual ~CABDBUtil();
	std::string m_LastError;
public:
	_RecordsetPtr m_pRecordset;//添加一个指向Recordset对象的指针
	bool Query(_bstr_t bstrSQL);//执行查询，返回记录集
	static CABDBUtil* GetInstance();
	static void Release();
	bool ExecuteSQL(_bstr_t bstrSQL);//执行SQL
	std::string GetLastError();
};

#endif // !defined(AFX_ADODBUTIL_H__6843170B_8B7F_4A71_AA88_EBA92C6B3247__INCLUDED_)