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VC++  & CDaoDatabase classes

Posted on 1999-06-28
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Last Modified: 2013-11-20
I am trying to connect to Oracle database through
VC++,though there are special ODBC classes provided
by MFC,because of certain needs,I have to use
CDaoDatabase classes.But it is not getting connected
through ODBC.I think I am wrong somewhere because i
have never used ODBC.As there is Open method provided by
CDaoDatabase.If anybody can tell me how to connect to
Oracle database,to access all the tabledefs,and relationships
I will be thankful to you.It will be just small code.
And I think we can use ODBC API's also.But I don't know
how.VB programmers are used to connect to Oracle database.
But instead of connecting directly through ODBC,if you
know how to connect through JET engine.
Eagerly waiting for your reply.

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Question by:kulabhi
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Accepted Solution

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BlackRussian earned 200 total points
ID: 1308155
I believe you have to use ODBC for Oracle. But below I show a code snippet opening a FoxPro database directly using DAO classes. Also in your online documentation search for accessing extrenal databases.


CDaoDatabase      *db_object;

// create and open  database object

 db_object= new CDaoDatabase (NULL);

if (db_object NOTEQUAL NULL)
      {
      
      TRY
      {
      db_object->Open ("",FALSE,FALSE,_T("FoxPro                           2.5;DATABASE=D:\\DB"));
      }
       CATCH (CDaoException,db_err)
      {
       err_string.LoadString (IDS_OPEN_DBERR);
                  err_string +=          db_err->m_pErrorInfo->m_strDescription;
      AfxMessageBox (err_string,NULL,MB_OK);
       return FALSE;
      }
      END_CATCH
     }

you can then create a recorset object and open a specific table.
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