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    <p>MultipleViewsViewController.h should be:</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @class FirstViewController; @class SecondViewController; @class ThirdViewController; @interface MultipleViewsViewController : UIViewController { IBOutlet FirstViewController *firstViewController; IBOutlet SecondViewController *secondViewController; IBOutlet ThirdViewController *thirdViewController; } //@property (nonatomic, retain) FirstViewController *firstViewController; //@property (nonatomic, retain) SecondViewController *secondViewController; //@property (nonatomic, retain) ThirdViewController *thirdViewController; -(IBAction)loadFirstView:(id)sender; -(IBAction)loadSecondView:(id)sender; -(IBAction)loadThirdView:(id)sender; @end </code></pre> <p>MultipleViewsViewController.m should be:</p> <pre><code>#import "MultipleViewsViewController.h" #import "FirstViewController.h" #import "SecondViewController.h" #import "ThirdViewController.h" @implementation MultipleViewsViewController //@synthesize firstViewController; //@synthesize secondViewController; //@synthesize thirdViewController; -(IBAction)loadFirstView:(id)sender{ [secondViewController.view removeFromSuperview]; [thirdViewController.view removeFromSuperview]; [self.view insertSubview:firstViewController.view atIndex:0]; } -(IBAction)loadSecondView:(id)sender{ [firstViewController.view removeFromSuperview]; [thirdViewController.view removeFromSuperview]; [self.view insertSubview:secondViewController.view atIndex:0]; } -(IBAction)loadThirdView:(id)sender{ [firstViewController.view removeFromSuperview]; [secondViewController.view removeFromSuperview]; [self.view insertSubview:thirdViewController.view atIndex:0]; } -(void)dealloc{ [firstViewController release]; [secondViewController release]; [thirdViewController release]; [super dealloc]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { firstViewController = [[FirstViewController alloc] init]; secondViewController = [[SecondViewController alloc] init]; thirdViewController = [[ThirdViewController alloc] init]; [self loadFirstView:nil]; [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } </code></pre> <p>Connect your buttons (which you haven't done in your project, which also might be the issue) and you're done.</p>
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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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