can i able to call web services from my iphone application instead of retriving the data from database?

I am new to iphone development.previously i have re开发者_运维百科trive the data from database... I want to know can i able to call web services from my iphone application or not...

if there is a possiblity to call the web services from my iphone Application plz give me the detail explanation ....

how can i call the web services from my iphone App?

Thank u...

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Yes, you can call web services. How you do so depends exactly on the web service. To download data, you can use NSURLConnection or a related class. If the data is JSON, you can then use a library such as TouchJSON to interpret the data. If it's XML, you can use TouchXML or the native libxml.