title: How to use webservice in iphone objective c?
body: <p>I need great video tutorial for using webservices in iphone objective c.My requirment is already values are in webservice, so just i want to access the webservice and validate username and password and return back to true or false get value display on the iphone.</p>
  
  <p>If anybody have idea about tutorial please help me out..</p>