MFC小例子-ADO连接SqlServer

//hpp头文件里导入ADO
//导入ADO动态链接库
#import "C:\Program Files\Common Files\System\ado\msado15.dll" no_namespace rename("EOF", "adoEOF")


//cpp文件OnInitDialog()里初始化ADO
//初始化ADO
HRESULT hr;
try
{
    hr = CoInitialize(NULL);
    //检查初始化是否成功
    if (SUCCEEDED(hr))
    {
        AfxMessageBox("初始化ADO COM成功！");
    }
    else
    {
        AfxMessageBox("初始化ADO COM失败！");
    }
}
catch (_com_error e)
{
    CString errormessage;
    errormessage.Format("%s"), e.ErrorMessage();
    AfxMessageBox(errormessage);
}