Xcode - จะทำ asynchronous ใน NSURLConnection ให้รอจนเสร็จ ช่วยดู Code ให้ทีครับ

for (int i = 0; i<[functionName count]; i++) {
      
        
        
        NSURL *urlm = [NSURL URLWithString:soapurl];
        
        url = [NSMutableURLRequest requestWithURL:urlm];
        [url setTimeoutInterval:15];
        [url setCachePolicy:NSURLRequestUseProtocolCachePolicy];
        
        
       
        NSMutableDictionary *headers = [NSMutableDictionary dictionaryWithCapacity:0];
        [headers setObject:@"text/xml" forKey:@"Content-Type"];
        [headers setObject:@"utf-8" forKey:@"charset"];
        [headers setObject:@"tr" forKey:@"Lang"];
        [headers setObject:[NSString stringWithFormat:@"http://tempuri.org/%@",[functionName objectAtIndex:i]] forKey:@"SOAPAction"];
        [headers setObject:@"Mac OS X; WebServicesCore.framework (1.0.0)" forKey:@"User-Agent"];
        
        [url setAllHTTPHeaderFields:headers];
        [url setHTTPMethod:@"POST"];
        
        
        NSMutableString *log = [NSMutableString string];
        
        [log appendString:@"<?xml version=\"1.0\" encoding=\"utf-8\"?><soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">\n"
         "<soap:Body>"];
        [log appendString:[NSString stringWithFormat:@"\n<%@ xmlns=\"http://tempuri.org/\">\n",[functionName objectAtIndex:i]]];
        
        [log appendString:[NSString stringWithFormat:@"\n</%@>\n</soap:Body>\n</soap:Envelope>",[functionName objectAtIndex:i]]];
        
        NSData* aData;
        aData = [log dataUsingEncoding: NSUTF8StringEncoding];
        
        [url setHTTPBody:aData];
        theConnection = [[NSURLConnection alloc] initWithRequest:(NSURLRequest *)url delegate:self];
        if (theConnection)
        {
            
            receivedData = [NSMutableData data];
        }
        else
        {
            NSLog(@"Connect is Null");
            
        }
    }