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1.WINDOWS.H already included. MFC apps must not #include <windows.h>
I just added the
in the <StdAfx.h> file. When the import sentence was add in the head of file,the error occured. But when I moved it to the tail of the file,Everything was OK. I don‘t know why.
// stdafx.h : include file for standard system include files,
//
//
//
//#import "C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace rename("EOF","adoEOF")
#if !defined(AFX_STDAFX_H__C914C8D4_56EB_44CD_AE77_600C6D941BA2__INCLUDED_)
#define AFX_STDAFX_H__C914C8D4_56EB_44CD_AE77_600C6D941BA2__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#define VC_EXTRALEAN // Exclude rarely-used stuff from Windows headers
#include <afxwin.h>
#include <afxext.h>
#include <afxdisp.h>
#include <afxdtctl.h> // MFC support for Internet Explorer 4 Common Controls
#ifndef _AFX_NO_AFXCMN_SUPPORT
#include <afxcmn.h> // MFC support for Windows Common Controls
#endif // _AFX_NO_AFXCMN_SUPPORT
#import "C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace rename("EOF","ADOEOF")
//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.
#endif // !defined(AFX_STDAFX_H__C914C8D4_56EB_44CD_AE77_600C6D941BA2__INCLUDED_)
|
1>------ 已启动生成: 项目: iotser, 配置: Debug Win32 ------
1）
#pragma warning(disable:4146) 2）
#pragma warning(disable:4146) |
error C2871: “ADODB”: 具有该名称的命名空间不存在（error C2871: “ADODB”: 具有该名称的命名空间不存在）
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原文地址：http://blog.csdn.net/ghevinn/article/details/44941359
