iphone post data

 #define d_LocalNetAddress http://XXX.XXX.XXX.XXX/a.action

        NSString * content = @"Test";
    
    NSInputStream * nis = [[NSInputStream alloc] initWithData:[content dataUsingEncoding:NSUTF8StringEncoding] ];
    

    NSMutableURLRequest *request = [ [ NSMutableURLRequest alloc ] initWithURL: [ NSURL URLWithString: pd_LocalNetAddress ] ];
    [ request setHTTPMethod: @"POST" ];
    [ request setHTTPBodyStream: nis];
    
    NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:request delegate:self];
    if (theConnection) {

        receivedbData=[[NSMutableData data] retain];
    } else {
    
    }

- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
  
    NSLog(@"Succeeded! Received %d bytes of data", [receivedbData length]);
    
    NSString * firstBuffer;
    firstBuffer = [receivedbData mutableBytes];
    NSLog(@"Succeeded! Received: %s",  firstBuffer);
    [connection release];
    [receivedbData release];
}