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POSort an Array of Dictionaries issue
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copied!<p>I have an array(seachResult) which contains dictionaries and I want to sort this array according to 'price' key in the dictionary that is a number in string format. I tried this code but it doesn't work for sorting 'price' but it works for pid which is a number. how can I sort it according 'price' (number in string format)?</p> <pre><code> NSSortDescriptor *sortByPrice = [NSSortDescriptor sortDescriptorWithKey:@"price" ascending:YES]; NSArray *sortDescriptors = [NSArray arrayWithObject:sortByPrice]; NSArray *sortedArray = [self.seachResult sortedArrayUsingDescriptors:sortDescriptors]; NSLog(@"%@",sortedArray ); </code></pre> <p>here is sample data for self.searchResult:</p> <pre><code>2013-07-17 02:04:55.012 MyApp[57014:16a03] sorted array of dictionaries: ( { cid = 2; image = "http:///images/loginlogo.png"; latitude = "48.245565"; longitude = "16.342333"; manual = ""; movie = "http://jplayer.org/video/m4v/Big_Buck_Bunny_Trailer.m4v"; pcode = 023942435228; pid = 1; pname = "example product"; price = "12.00"; qrcode = ""; rid = 1; rname = "Example Retailer Name"; sale = 0; "sale_percent" = 0; "sale_price" = "0.00"; text = "here is text about sample product number 1...\nasdasdasda\nsdfsdfsd\nSdfsdf\nSDfsdfs\ndfsdfsdf\n\n\n"; }, { cid = 2; image = "http:///testImage.png"; latitude = "48.245565"; longitude = "16.342333"; manual = ""; movie = ""; pcode = 1; pid = 2; pname = "sample product 2"; price = "126.00"; qrcode = ""; rid = 1; rname = "Example Retailer Name"; sale = 1; "sale_percent" = 20; "sale_price" = "99.99"; text = "here is text about sample product number 2...\nblah blah blah\nasdasdasd\nASdasdas\nASdasdasd"; }, { cid = 1; image = ""; latitude = ""; longitude = ""; manual = ""; movie = ""; pcode = 1; pid = 3; pname = "test product"; price = "46.00"; qrcode = ""; rid = 2; rname = ""; sale = 0; "sale_percent" = 0; "sale_price" = "35.00"; text = "some text here... </code></pre> <p>\nasdasd \nasd \na \nsd \nas \nd"; } )</p> <p>I also tried this code :</p> <pre><code> NSSortDescriptor *hopProfileDescriptor = [[NSSortDescriptor alloc] initWithKey:@"price" ascending:YES]; NSArray *descriptors = [NSArray arrayWithObjects:hopProfileDescriptor, nil]; NSArray *sortedArrayOfDictionaries = [self.seachResult sortedArrayUsingDescriptors:descriptors]; NSLog(@"sorted array of dictionaries: %@", sortedArrayOfDictionaries); </code></pre> <p>but still doesn't work.</p>

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