Nsconnection_ Asynchronous Download block

NSString * Path =@"http://10.0.8.8/sns/my/user_list.php"; Nsurl* URL =[Nsurl Urlwithstring:path]; Nsurlrequest* Request =[Nsurlrequest Requestwithurl:url]; //sending an asynchronous request//Queue queues Thread//[Nsoperationqueue mainqueue] main thread//handler processing block after processing request is completed[Nsurlconnection sendasynchronousrequest:request queue:[nsoperationqueue Mainqueue] completionHandler:^ ( Nsurlresponse *response, NSData *data, Nserror *connectionerror) {       //Response response Data request back Connectionerror error message//parsing the data storage model        IDobj =[nsjsonserialization jsonobjectwithdata:data options:nsjsonreadingmutablecontainers Error:nil]; NSLog (@"%@", obj);    }]; 

Nsconnection_ Asynchronous Download block