title: scrollview is not scrolling in iphone
body: <p>I am new in iphone development.. I have added the scrollview in my app and added 10 buttons graphically inside the scrollview. but when I run the scrollview is not scrolling </p>
  
  <p>my code is as follow</p>
  
  <pre><code>- (void)viewDidLoad {
      [super viewDidLoad]; 
      [scrollview setContentSize:CGSizeMake(1500,50)];
  }
  </code></pre>