GET and POST requests from ios5

I'm working on making a client for my REST service on the iPhone. I'm a little lost as to how I go about making the GET and POST requests. I make the url from a NSString, convert it to an NSURL and create the NSURLRequest based off of the url. After that I'm pretty lost. Also, sometimes I care about the response, other times I don't. For example, when making a request for a new id, I care about the response because it's the id I'll use to upload my file later, but when I upload the file I don't care because the server doesn't send a response.

Does anyone have some (hopefully)simple sample code that they could point me to / share?

What I have so far

-(NSString *) makeGetRequest:(NSString *)url :(Boolean)careAboutResult
{
    NSString *results = nil;
    
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:url]];
    NSError *reqError;
    NSURLResponse *response = nil;
    if(careAboutResult == YES)
    {
        //get the result
    }
    return results;
}

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In the code I'm testing with, the URL is http://192.168.0.108:8081/TestUploadService/RestfulUpload.svc/id/test123_DOT_png and I'm saying I do care about the result.

Any help would be great