Using stored procedures with ADO

{  
   CString strTmp;
  
   CString m_sdatasource; // Data source name
   CString m_sUserID;     // User Id
   CString m_sPassword;   // Password

   // GET the above values from the user 
   //Without creating Datasource we can use database by the following   code
   /* strTmp.Format( "driver={sql server};"
                           "server=%s;"
                           "Database=%s;""UID=%s;""PWD=%s;",
                           m_server,m_sdatabase,m_sUserID,m_sPassword );*/

   strTmp.Format( "dsn=%s;""UID=%s;""PWD=%s;",m_sdatasource,m_sUserID,m_sPassword );
   _bstr_t         bstrSQLServerConnect;
   _bstr_t bstrProc =( L"sp_StartByteImport" );; //Stored procedure name
   _variant_t Final;
   bstrSQLServerConnect = (LPCTSTR) strTmp;
   m_status="Empty File";
   _ConnectionPtr  Conn1; // connection object pointer
   _CommandPtr     Cmd1;  // command object pointer
   _RecordsetPtr   Rs1; // recordset object pointer
   bool            bvalid = false;
   try
   {
      Conn1.CreateInstance( __uuidof( Connection ) ); // Instantiating connection object
	  Conn1->ConnectionString = bstrSQLServerConnect; // giving the sqlconnection
	  Conn1->Open( bstrEmpty, bstrEmpty, bstrEmpty ); // open the connection object
	  Cmd1.CreateInstance( __uuidof( Command ) ); // creating command object
	  Cmd1->ActiveConnection = Conn1;             // giving the connection handle
	  Cmd1->CommandText      = _bstr_t( bstrProc ); // passing the stored procedue
	  Cmd1->CommandType      = adCmdStoredProc;     // type
	  Cmd1->Parameters->Refresh();                 // passing string value as argument to stored procedure
	  Cmd1->Parameters->Item[ _variant_t( (long) 1 ) ]->Value = _variant_t( (LPCTSTR)m_sfilename );
	  Rs1 = Cmd1->Execute( &vtEmpty, &vtEmpty2, adCmdUnknown ); // executing the stored procedure and storing the recordset value
	  bvalid = true;
	  Final  = Rs1->Fields->GetItem( _variant_t( 0L ) )->Value; // getting the first column value of the result row
	  strTmp.Format( "%s", CrackStrVariant( Final) ); // to see the value
	  // put your code to see all column values   
   }
   catch( CException *e ) // trapping all error messages
   {
	  TCHAR    szCause[255];    
      e->GetErrorMessage(szCause, 255);
	  m_status=szCause;
   }
   catch( _com_error &e )
   {
	m_status=e.ErrorMessage( );
   }
   catch(...)
   {
	m_status="Error while executing the Import";

   }
    //we need to create the stored procedures below before running the application
	//CREATE PROCEDURE sp_AddAccountingInfo @nfinal int, @pcDate datetime,
	//@pcURL varchar (250), @pcTop varchar (250),
	//@pcQueryString varchar (250), @pcBytes int, @pcRequests int AS
       /*
		Do your operation here
	*/
	//CREATE PROCEDURE sp_AddAccountingInfo
	//@nfinal int,
	//@pcDate datetime,
	//@pcURL varchar (250),
	//@pcTop varchar (250),
	//@pcQueryString varchar (250),
	//@pcBytes int,
	//@pcRequests int
	//AS
	/*
		Put your code here
	*/
}

Download demo project - [125 KB] KB