- (void)viewDidLoad
{
    [super viewDidLoad];
    _webView = [[UIWebView alloc] init];
    _webView.delegate = self;
    NSURLRequest *request = [[NSURLRequest alloc] initWithURL:_url];
    [_webView loadRequest:request];
}

NSDictionary *dictionary = [[NSDictionary alloc] initWithObjectsAndKeys:@"Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3", @"UserAgent", nil];
[[NSUserDefaults standardUserDefaults] registerDefaults:dictionary];

-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response

_webView = [[UIWebView alloc] initWithFrame:self.view.frame]; //give a proper Rect value
_webView.delegate = self;
NSURLRequest *request = [[NSURLRequest alloc] initWithURL:_url];
[_webView loadRequest:request];