How to make an ipad app only portrait?

Question

I am making an ipad app, and i set the the app to only portrait, but it still works in landscape? Why is this happening only on an ipad? How do i fix this?

Note: if

Answer 1

In xcode select your project. Go to Targets -> General, scroll down and you can select the Orientation as portrait only.

You can also make change to info.plist file to select proper orientations for Supported interface orientations (iPad)

Answer 2

In deployment Info section you can select your app orientation to support.