获取ACCESS2000数据库中所有
表
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的名称--.doc
获取ACCESS2000数据库中所有表的名
称>>
void OpenSchemaX(TCHAR *TableName)
{
HRESULT hr = S_OK;
::CoInitialize(NULL); //初始化
IADORecordBinding *picRs = NULL;
_RecordsetPtr pRstSchema(ADODB.Recordset); _ConnectionPtr pConnection(ADODB.Connection );
pConnection->ConnectionString = TableName; pConnection->Provider = Microsoft.Jet.OLEDB.4.0;
try
{
pConnection->Open(pConnection->ConnectionString, , ,
adModeUnknoa->QueryInterface(
__uuidof(IADORecordBinding), (LPVOID*)picRs);
pRstSchema = pConnection->OpenSchema(adSchemaTables);//枚举
表的名称处理
a->EndOfFile))
{
CString strTableType;
_bstr_t table_name = pRstSchema->Fields-> GetItem(TABLE_NAME)->Value;//获取表的名称
_bstr_t table_type = pRstSchema->Fields-> GetItem(TABLE_TYPE)->Value;//获取表的类型
strTableType.Format(%s,(LPCSTR) table_type);
if(!lstrcmp(strTableType,_T(TABLE)))
{
m_strList.AddString((LPCSTR) table_name);//添加表的名称
}
pRstSchema->MoveNext();
}
// Clean up objects before exit.
pRstSchema->Close();
pConnection->Close();
}
catch (__error e)
{
// Notify the user of errors if any. // Pass a connection pointer accessed from the Connection.
PrintProviderError(pConnection);
PrintError(e);
}
CoUninitialize();
}
void PrintProviderError(_ConnectionPtr pConnection) {
ErrorPtr pErr = NULL;
if( (pConnection->Errors->Count) > 0) {
long nCount = pConnection->Errors->Count; // Collection ranges from 0 to nCount -1. for(long i = 0;i < nCount;i++)
{
pErr = pConnection->Errors->GetItem(i); CString strError;
strError.Format(Error number: %xt%s, pErr->Number, pErr-
>Description);
AfxMessageBox(strError);
}
}
}
void PrintError(__error e)
{
_bstr_t bstrSource(e.Source());
_bstr_t bstrDescription(e.Description());
// Print errors.
CString strError;
strError.Format(Error number: Description = %stCode meaning = %s,(LPCSTR) bstrDescription, e.ErrorMessage()); AfxMessageBox(strError);
}
调用方法:
CString strFileName;
TCHAR FileName[MAX_PATH];
TCHAR bigBuff[2048] = _T(); // maximum mon dialog buffer size
TCHAR szFilter[] = _T(Text Files (*.mdb)|*.mdb|All Files (*.*)|*.*
);
CFileDialog dlg(TRUE, NULL, NULL,
OFN_HIDEREADONLY | OFN_ALLOULTISELECT, szFilter);
// Modify OPENFILENAME members directly to point to bigBuff
dl
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if(IDOK == dlg.DoModal() )
{
strFileName = dlg.GetPathName();
lstrcpy(FileName,strFileName);
OpenSchemaX(FileName);
}
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