Create-Methode (VC++-Beispiel)

Gilt für: Access 2013, Office 2013

Im folgenden Code wird das Erstellen einer neuen Microsoft Jet-Datenbank mithilfe der Create-Methode gezeigt.

 
// BeginCreateDatabaseCpp 
#import "c:\Program Files\Common Files\system\ado\msadox.dll" no_namespace 
#import "c:\Program Files\Common Files\system\ado\msado15.dll" 
 
#define TESTHR(x) if FAILED(x) _com_issue_error(x); 
 
#include "iostream.h" 
#include "stdio.h" 
#include "conio.h" 
 
//Function declarations 
void CreateDatabaseX(void); 
 
//------------------------------------------------------------// 
//Main Function 
//Purpose: Test Driver 
//------------------------------------------------------------// 
void main() 
{ 
 HRESULT hr = S_OK; 
 
 hr = ::CoInitialize(NULL); 
 if(SUCCEEDED(hr)) 
 { 
 CreateDatabaseX(); 
 
 //Wait here for the user to see the output 
 printf("Press any key to continue..."); 
 getch(); 
 
 ::CoUninitialize(); 
 } 
} 
 
//------------------------------------------------------------// 
//CreateDatabaseX 
//Purpose: create a new Jet database with the Create method 
//------------------------------------------------------------// 
void CreateDatabaseX() 
{ 
 HRESULT hr = S_OK; 
 
 // Define ADOX object pointers. 
 // Initialize pointers on define. 
 // These are in the ADOX:: namespace. 
 
 _CatalogPtr m_pCatalog = NULL; 
 
 
 //Set ActiveConnection of Catalog to this string 
 _bstr_t strcnn("Provider='Microsoft.JET.OLEDB.4.0';" 
 "Data source = c:\\new.mdb"); 
 try 
 { 
 TESTHR(hr = m_pCatalog.CreateInstance(__uuidof (Catalog))); 
 m_pCatalog->Create(strcnn); 
 printf("Database 'c:\\new.mdb' is created.\n"); 
 } 
 catch(_com_error &e) 
 { 
 // Notify the user of errors if any. 
 _bstr_t bstrSource(e.Source()); 
 _bstr_t bstrDescription(e.Description()); 
 
 printf("\n\tSource : %s \n\tdescription : %s \n ", 
 (LPCSTR)bstrSource,(LPCSTR)bstrDescription); 
 
 } 
 catch(...) 
 { 
 cout << "Error occured in CreateDatabaseX...."<< endl; 
 } 
 
} 
// EndCreateDatabaseCpp