Consuming WCF Web Services in an iOS Application

-(void)viewDidLoad {

[super viewDidLoad];

//Web Service Call

NSString *soapMessage = [NSString stringWithFormat:

@"\n"

"; \n"

"\n"

" \n"

""];

//[[NSURLCache sharedURLCache] removeAllCachedResponses];

NSURL *url = [NSURL URLWithString:@"http://[IP_ADDRESS_OF_WCF_SERVER]/IphoneService/Service1.svc"];

NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:url];

NSString *msgLength = [NSString stringWithFormat:@"%d", [soapMessage length]];

[theRequest addValue: @"text/xml; charset=utf-8" forHTTPHeaderField:@"Content-Type"];

[theRequest addValue: @"http://tempuri.org/IService1/GetMembers"; forHTTPHeaderField:@"Soapaction"];

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

[theRequest setHTTPMethod:@"POST"];

[theRequest setHTTPBody: [soapMessage dataUsingEncoding:NSUTF8StringEncoding]];

NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self];

if(theConnection) {

webData = [[NSMutableData data] retain];

}

else {

NSLog(@"theConnection is NULL");

}

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {

[webData setLength:0];

}

- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {

[webData appendData:data];

}

- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {

label.text = [NSString stringWithFormat:@"Connection failed: %@", [error description]];

}

- (void)connectionDidFinishLoading:(NSURLConnection *)connection {

[connection release];

NSLog(@"Data has been loaded");

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

[webData release];

label.text = responseString;

NSLog(responseString);

[responseString release];

}

- (void)dealloc {

[super dealloc];

}