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    <p>You really should look into the <a href="http://developer.apple.com/library/ios/#featuredarticles/ViewControllerPGforiPhoneOS/Introduction/Introduction.html" rel="nofollow">View Controller Programming Guide</a> -- by switching around the contents of a single view controller, you're making a lot of extra work for yourself with little benefit. By using multiple view controllers when you want to have different "screens" in your app, you can take advantage of storyboarding for easier development, and you automatically get better memory management (read: less potential for crashes), too.</p> <p>However, to more directly answer your question... if you're putting the WebView into the view hierarchy with <code>[self.view addSubview:webView]</code>, you can remove it with <code>[webView removeFromSuperview]</code>. (This means you'll have to keep a reference to the WebView around so you can refer to it when you want to dismiss it.)</p> <hr> <p>I also noticed in the code you posted to cl.ly an unrelated method <code>-deviceModel</code> which uses <code>uname()</code> to get device information. This is a bad idea, for two reasons:</p> <ul> <li><code>uname()</code> isn't guaranteed to do something useful on an iOS device (even if it currently does). Use the <code>UIDevice</code> class instead if you need this kind of info, or...</li> <li>Generally, you <strong>don't</strong> want to test for the device name to enable functionality in your app; instead, you should test for the capabilities you need. (For example, if you look for a device name starting with "iPhone 4" to test for a Retina display, you'll miss the 4th-generation iPod touch, and the iPhone-5-or-whatever-they-call-what's-next. Instead, use the <code>UIScreen</code> class.)</li> </ul>
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    1. POReturn to mainview from webView deployed using storyboard
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    1. USrickster
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    1. COImplementing [webView removeFromSuperview] shows error as it has no reference in that button pressed method. How will I implement that
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      1. USSamrat Mazumdar
    2. COKeep a reference to it when you create it -- say, in an ivar.
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    3. COHow will I do that? Please help, as I am a complete newbie here.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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