web service

NSURL *xmlURL = [NSURL URLWithString:
                     @"http://www.powenko.com"];
    NSURLRequest *req = [NSURLRequest requestWithURL:xmlURL
                      cachePolicy:NSURLRequestReturnCacheDataElseLoad
                  timeoutInterval:30];

NSURLResponse *resp = nil;
NSData *data = [NSURLConnection sendSynchronousRequest:req
                                     returningResponse:&resp
    if (!data)
        return nil;
    NSLog(@"Received %ld bytes.", [data length]);
return nil;