iphone - handle web page with in the application

i'm currently working on iphone app which h开发者_运维知识库as a web view. i'm pulling a web page from internet and updating the web view. the web page has 3 text inputs: username, mail id and response code. it also has a button "play now". on click of play now, the data is posted to server and some processing is done there...... now,in my application, on click of "play now", i want to remove the web view and show my next view in application. can you please help me to achieve this or some solution for this problem?

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You can use the webview delegate

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType

You can retrieve the URL of the request from the request parameter of the method. Check whether it matches the URL of play now button.