If you want to load a local HTML file within the app, then use the below code
self.wView.dataDetectorTypes = UIDataDetectorTypeLink;
NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:INDEX_PAGE ofType:@"html" inDirectory:DIRECTOY_PATH]]; //Directory Path Example: ipad/main/pages
[self.wView loadRequest:[NSURLRequest requestWithURL:url]];
Put this code in your button handler method
solved Html file in ios [closed]