Post Method in IPhone programming for logining in to the application

I am trying to Post the email and password in my iphone application but i dont know with out entering any data in to the text fields also it says connection Succesfull

- (IBAction)enterButtonAction:(id)sender
    {
        NSString *post =[NSString stringWithFormat:@"user[email]=%@&user[password]=%@",[userNameTF text],[passWordTF text]];
        NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];

        NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]];
        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init] ;
        [request setURL:[NSURL URLWithString:@"http://ift.tt/17NCfTJ"]];
        [request setHTTPMethod:@"POST"];
        [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
       // [request setValue:@"application/json" forHTTPHeaderField:@"Accept"];
        [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
        [request setHTTPBody:postData];
        NSURLConnection * connection = [[NSURLConnection alloc]initWithRequest:request delegate:self];


        if (connection) {
            NSLog(@"Connection Successfull");
        } else {
            NSLog(@"Connection UnSuccessfull");
        }
    }