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...

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.