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POhow to get the exact value out of the response i am getting from the web service?
 

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  1. POhow to get the exact value out of the response i am getting from the web service?
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    <p>I am trying to use this web service in my app (just to try my hands on web services): <a href="http://www.w3schools.com/webservices/tempconvert.asmx?op=CelsiusToFahrenheit" rel="nofollow">http://www.w3schools.com/webservices/tempconvert.asmx?op=CelsiusToFahrenheit</a> and below is the code i am using:</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; // create a soap Message which is given in your required web service // create a url to your asp.net web service. NSURL *tmpURl=[NSURL URLWithString:[NSString stringWithFormat:@"http://www.w3schools.com/webservices/tempconvert.asmx?op=CelsiusToFahrenheit"]]; // create a request to your asp.net web service. NSMutableURLRequest *theRequest=[NSMutableURLRequest requestWithURL:tmpURl]; NSString * params = [[NSString alloc] initWithFormat:@"Celsius = 32"]; myWebData = [[NSMutableData alloc] init]; [theRequest setHTTPMethod:@"POST"]; [theRequest setHTTPBody:[params dataUsingEncoding:NSUTF8StringEncoding]]; connection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; } // a method when connection receives response from asp.net web server -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { [myWebData setLength: 0]; } // when web-service sends data to iPhone -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { [myWebData appendData:data]; NSString *receivedDataString = [[NSString alloc] initWithData:myWebData encoding:NSUTF8StringEncoding]; NSLog(@"%@",receivedDataString); } // when there is some error with web service -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { } // when connection successfully finishes -(void)connectionDidFinishLoading:(NSURLConnection *)connection { // check out your web-service retrieved data on log screen NSString *theXML = [[NSString alloc] initWithBytes: [myWebData mutableBytes] length:[myWebData length] encoding:NSUTF8StringEncoding]; NSLog(@"%@",theXML); [theXML release]; } </code></pre> <p>In the NSString theXML i am getting some response which had some erro too. Below is the response which i am getting in debugger:</p> <blockquote> <p>WebServiceTutorial[474:207] soap:ReceiverServer was unable to process request. ---&gt; Data at the root level is invalid. Line 1, position 1.</p> </blockquote> <p>Thanks,</p>
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    1. USAshutosh
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    1. COWhen ever you use w3schools make sure you check this site too: http://w3fools.com/
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      1. POhow to get the exact value out of the response i am getting from the web service?
      1. USvikingosegundo
    2. CONot sure, if this is a part of the problem, but `NSString * params = [[NSString alloc] initWithFormat:@"Celsius = 32"];` might give bad behavior, as you are not passing in a format. try `params = @"Celsius = 32"` instead. BTW: You are leaking `params` and `myWebData`
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