Send Synchronous Request

Post Method:

.h file: 

@property(nonatomic,assign) NSMutableData *receivedData;

.m file:

 receivedData = [NSMutableData data];

NSError *error;

        NSMutableString *post = [NSMutableString stringWithFormat:@"foodid=%@",food_id];

        NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES];

        NSString *postLength = [NSString stringWithFormat:@"%lu", (unsigned long)[postData length]];

        NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@/DeleteFood.php",kBaseURL]];

        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url

                                                               cachePolicy:NSURLRequestReloadIgnoringLocalCacheData

                                                           timeoutInterval:10.0];

        [request setHTTPMethod:@"POST"];

        [request setValue:postLength forHTTPHeaderField:@"Content-Length"];

        [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];

        [request setHTTPBody:postData];

        

        NSURLResponse *requestResponse;

        NSData *requestHandler = [NSURLConnection sendSynchronousRequest:request returningResponse:&requestResponse error:&error];

        

        NSString *requestReply = [[NSString alloc] initWithBytes:[requestHandler bytes] length:[requestHandler length] encoding:NSASCIIStringEncoding];

   

//retrieve response:

     

        if(!error)

        {        //log response

            NSLog(@"Response from server = %@", requestReply);

            [self foodretrieve];

        }else{

            [foodTable reloadData];

        }

// (OR) retrieve json format: 

   [receivedData appendBytes:[requestReply UTF8String]

                       length:[requestReply lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];

    id jsonObjects = [NSJSONSerialization JSONObjectWithData:receivedData options:NSJSONReadingMutableContainers error:nil];

Get Method:

NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@/DeleteFood.php?foodid=%@",kBaseURL,food_id]];

        NSURLRequest *request = [NSURLRequest requestWithURL:url];

        

        NSURLResponse *response;

        NSError *error;

        //send it synchronous

        NSData *responseData = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error];

        NSString *responseString = [[NSString alloc] initWithData:responseData encoding:NSUTF8StringEncoding]; 

     if(!error)

        {        //log response

            NSLog(@"Response from server = %@", responseString);

            [self foodretrieve];

        }else{

            [foodTable reloadData];

        }