ios - remove view from super view from otherclass -

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hi having 3 view controllers. a,b,c firstly adding b under c under b.in c view controller when c visible after click of button want remove c super view , b super view.for removing c b using following code 

[self.view removefromsuperview];

i able remove c b on click of button. how can remove b from c viewcontroller class. after clicking of button in c view controller both b, c must remove & should visible.

thanks in advance.

uiview has property superview can call.

[self.view.superview removefromsuperview];

be sure read documentation: uiview.

edit: bear in mind view c subview of view b, code remove both c , b a.


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