Hi All,

I am struggling to get my head around something and make it work, if anyone 
could give me a quick 101 it would be great!

What I am trying to do is have my main screen as a TabBarController which has 3 
NavigationControllers in it, each one pushing their own respective view 
hierarchies upon user selection.

I am more familiar with using IB than coding screens by hand...

I can get the main screen working no problems, add 3 nav controllers and set 
their NIB names and Classes to my view class names in IB, that works and the 
correct views come up when selected.

My problem is pushing the next view onto the controller...

Example: controller 2 has a view with a tableview in it, the user selects a row 
in the table and then I want it to push another view relevant to what the user 
selected.

Every time I try to push it, it crashes with Object reference not set to an 
instance of an object.

I think my problem is that I don't know how to reference the 
NavigationController inside the TabBarController

Can anyone help out?

Thanks
Dean

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