Connection code to connect iphone to web server [closed]

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Can anyone help me to connect iphone to web server??

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Use ASIHTTPRequest for example as a library (to make it easier). You can even send POST requests to the website with the encoded parameters (see the documentation on the website).

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you can always use NSURLRequest to build your request and NSURLConnection to start the connection.

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I concur with Istvan, use ASIHTTPRequest for you calls. If you want more detail on how to write a local API in Objective-C, I wrote a blog post about this (uses ASIHTTPRequest as well, but is more about program design than the API itself):

http://longweekendmobile.com/2010/10/15/how-to-consume-json-or-xml-web-apis-on-iphone-smoothly/

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Use this NSXMLParser Delegate method too

-(void)parseWithContentsofUrl:(NSURL*)url {

isParsingFinished = false;
rssParser = [[[NSXMLParser alloc] initWithContentsOfURL:url] autorelease];
[rssParser setDelegate:self];
[rssParser setShouldProcessNamespaces:NO];
[rssParser setShouldReportNamespacePrefixes:NO];
[rssParser setShouldResolveExternalEntities:NO];
[rssParser parse];

}