Problem while importing a dll

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C++

SQL

Hi,
I have the following code connect and fetch data from database. I need to import a dll (System.dll) but it returns an error while importing. What is the reason, i have the dll in the specified path. I have given the path in Project Properties.

I got error like this:

Error   1   fatal error C1083: Cannot open type library file: 'c:\windows\microsoft.net\framework\v2.0.50727\system.dll': Error loading type library/DLL.   c:\users\test444\documents\visual studio 2008\projects\sampleado\sampleado\sampleado.cpp    3   SampleADO

please help..

#include "stdafx.h"
#import "C:\Program Files (x86)\Common Files\System\ado\msado15.dll" rename_namespace("MSXML")  rename("EOF", "ADOEOF")
#import "System.dll" 
#include <windows.h>

#include <sql.h>
#include <sqlext.h>
#include <sqltypes.h>
#include <sqlncli.h>
#include <stdio.h>
#include <cstdio>
#include <string>
#include <conio.h>
using namespace MSXML;
using namespace System;
void GetConnected(unsigned char *conn)
{
   

	HRESULT hr = S_OK;
	_RecordsetPtr pRstAuthors = NULL;
	hr = pRstAuthors.CreateInstance(__uuidof(Recordset));
	if(FAILED(hr))
	{
		printf("Failed creating record set instance");
		return;
	}
	pRstAuthors.Open("SELECT * FROM LabOpsStatus",conn, adOpenStatic, adLockReadOnly,adCmdText);
	pRstAuthors.MoveFirst();
	//Loop through the Record set
	if (!pRstAuthors.ADOEOF)
	{
		while(!pRstAuthors.ADOEOF)
		{
			printf("%s",pRstAuthors.Fields.GetItem("OBRESessionID").Value);
			printf("%s",pRstAuthors.Fields.GetItem("CurrentStep").Value);
			printf("%s",pRstAuthors.Fields.GetItem("Status").Value);
			//printf("%d - %sn",valField2,(LPCSTR)valField1);
			pRstAuthors.MoveNext();
		}
	}
	CoUninitialize();
	return;

   
}
 
void _tmain()
{
	GetConnected((unsigned char *)"DRIVER={SQL Server};SERVER=(local);Database=labops;UID=sa;PWD=99ARCF1RE;Trusted_Connection=yes");
    getch();
}