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    <pre><code>Here you can use Custom Delegates in ios.. just create Custom Delegate(Protocol) in AppDelegate or Singleton Class.Here im using AppDelegate #import &lt;UIKit/UIKit.h&gt; **AppDeleagte.h** @protocol parserDelegate &lt;NSObject&gt; -(void)sendDataToCorrespondingViewController:(id)data andServiceName:(NSString *)serviceName; @end @interface AppDelegate : UIResponder &lt;UIApplicationDelegate&gt; { } @property (strong, nonatomic) UIWindow *window; @property (nonatomic,strong) id &lt;parserDelegate&gt; delegate; -(void)getMethodURL:(NSString *)urlString andServiceName:(NSString *)serviceName; @end **AppDeleagte.m** //Implementing getMethod() in AppDelegate.m File -(void)getMethodURL:(NSString *)urlString andServiceName:(NSString *)serviceName; { NSURL *url =[NSURL URLWithString:urlString]; NSError *error; { dispatch_sync(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 2), ^{ NSData *data =[[NSData alloc]initWithContentsOfURL:url]; if (data == nil) { NSLog(@"error bcz data is nil:%@",error.localizedDescription); } else { NSError *error; id response =[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&amp;error]; [self.delegate sendDataToCorrespondingViewController:response andServiceName:serviceName]; } }); } } Now import AppDelegate in required ViewController and Create instance For AppDelegate **ViewController.h** #import &lt;UIKit/UIKit.h&gt; #import "AppDelegate.h" @interface ViewController : UIViewController&lt;parserDelegate&gt; { } @property (nonatomic,strong) AppDelegate *appDelegate; @end **ViewController.m** #import "ViewController.h" @interface ViewController () @end @implementation ViewController @synthesize appDelegate; - (void)viewDidLoad { self.appDelegate =(AppDelegate *)[[UIApplication sharedApplication] delegate]; self.appDelegate.delegate=self; [super viewDidLoad]; } -(IBAction)getSeviceData:(id)sender { //call AppDeleagte method for Webservice [self.appDelegate getMethodURL:@"http://www.tranzlogix.com/tranzlogix_webservice/vehiclelist.php?format=json" andServiceName:@"VehicleList"]; } //implement Deleagte method -(void)sendDataToCorrespondingViewController:(id)data andServiceName:(NSString *)serviceName { NSLog(@"response data: %@",data); //Here is the response from websevice NSLog(@"serviceName: %@",serviceName); // Here Service name differentiate,if we call 2 webservices in ViewController } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end </code></pre>
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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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