Invoke SOAP web-service

NSString *xml = requestXMLToSent;

NSString *msgLength = [NSString stringWithFormat:@"%lu", 

                      (unsigned long)[xml length]];

NSURL *serviceURL = [NSURL URLWithString: url];

NSMutableURLRequest *urlRequest = [NSMutableURLRequest  

                                  requestWithURL:serviceURL];

[urlRequest addValue:@"text/xml; charset=utf-8" 

            forHTTPHeaderField:@"Content-Type"];

[urlRequest addValue: serviceURL forHTTPHeaderField:@"SOAPAction"];

[urlRequest addValue:msgLength forHTTPHeaderField:@"Content-Length"];

[urlRequest setHTTPBody:[xml dataUsingEncoding: NSUTF8StringEncoding]];

[urlRequest setHTTPMethod:@"POST"];

[NSURLConnection sendAsynchronousRequest:urlRequest queue:[[NSOperationQueue alloc]init] completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {

        

  if (connectionError == NULL) {

        

    NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;

    NSInteger statuscode = httpResponse.statusCode;

    

       if (statuscode == 200) {

            

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

            NSLog(@"response String  : %@",responseString);

                        

        }else{

            NSLog(@"%@",response);            

        }

                                

    }else{

        

        NSLog(@"There is an error in URL connection and the Error is: %@",connectionError);

    }