how can move from one tabviewcontroller to another tabviewcontroller?

开发者_Python百科I've a problem that when I go to any viewcontroller of second tabbar button then I need to come first tabviewcontroller. but i can't in my one view of first tabbar comes to second tabbar button.pls someone help me.

---

Use

self.tabBarController.selectedIndex = 0; 
// or 1 or 2 for other tabs