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    <p>You json is not correct. It should be like this:</p> <pre><code>{"ali40":[{"user_id":"ali40","survey_id":"1","survey_title":"Resturant Survey","survey_description":"Survey To get feedback from clients about food quality and any suggestion to improve the service","date_created":"2012-07-24 22:39:14","color":"[UIColor GrayColor]"},{"user_id":"ali40","survey_id":"2","survey_title":"Travel Servey","survey_description":"Toursim Survey","date_created":"2012-07-25 00:43:42","color":"[UIColor greyColor]"}]} </code></pre> <p>This code returns not null result</p> <pre><code> NSString*user=@"ali40"; NSString *url=[NSString stringWithFormat:@"http://celeritas-solutions.com/emrapp/surveyDescription.php?user_id=%@",user]; NSLog(@"%@",url); NSData* data = [NSData dataWithContentsOfURL: [NSURL URLWithString: url]]; __autoreleasing NSError* error = nil; id result = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&amp;error]; if (error != nil) NSLog(@"%@",error); NSLog(@"%@",result); </code></pre> <p>Output:</p> <pre><code>2012-07-26 10:26:22.226 test[2511:f803] ( { color = "[UIColor GrayColor]"; "date_created" = "2012-07-24 22:39:14"; "survey_description" = "Survey To get feedback from clients about food quality and any suggestion to improve the service"; "survey_id" = 1; "survey_title" = "Resturant Survey"; "user_id" = ali40; }, { color = "[UIColor greyColor]"; "date_created" = "2012-07-25 00:43:42"; "survey_description" = "Toursim Survey"; "survey_id" = 2; "survey_title" = "Travel Servey"; "user_id" = ali40; } ) </code></pre> <p>If you json returns many records you need modify your json file</p> <pre><code> {"users":[{"user_id":"ali40","survey_id":"1","survey_title":"Resturant Survey","survey_description":"Survey To get feedback from clients about food quality and any suggestion to improve the service","date_created":"2012-07-24 22:39:14","color":"[UIColor GrayColor]"},{"user_id":"ali40","survey_id":"2","survey_title":"Travel Servey","survey_description":"Toursim Survey","date_created":"2012-07-25 00:43:42","color":"[UIColor greyColor]"}]} </code></pre> <p>Then you get the array of records:</p> <pre><code> NSArray *allItems = [result objectForKey:@"users"]; for (int i=0; i&lt;allItems.count; ++i) { NSDictionary *item = [allItems objectAtIndex:i]; //here you get every user NSString *user_id=[item objectForKey:@"user_id"]; NSLog(@"user_id %@",user_id); } </code></pre>
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    1. POParsing data from json to iphone application
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    1. COjson is corrent you can check again i have updated
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    2. COi think value is not passing from url like user_id
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    3. COYes now it's correct
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