ASIHTTPRequest_Sample.m

- (void)logInWithUsername:(NSString *)username password:(NSString *)password
{

    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://fireoneone.com/dummy_login.php"]];
    request = [ASIFormDataRequest requestWithURL:url];
    [request setRequestMethod:@"POST"];
    [request setPostValue:usernameInput forKey:@"username"];
    [request setPostValue:passwordOutput forKey:@"password"];
    [request setDelegate:self];
    [request startAsynchronous];
    [request setDidFinishSelector:@selector(logInSuccessed:)];
    [request setDidFailSelector:@selector(logInFailed:)]; 
}