title: UITabBar item did select is not working
body: <p>i have two tab bar items with two different table view with navigation controllers.
  by clicking on the tab1--- table1 is opening...Good. but when i did select on table1  it goes to the another view (table did select view)....every thing is good.</p>
  
  <p>but the problem here is</p>
  
  <p>when i am clicking on tab2 ----table 2 is opening....Good.</p>
  
  <p>But again clicking on tab1------ it is not loading the table1....it is loading (table did select view) view. As the last time i left it there.</p>
  
  <p>i want to open table1----on clicking on tab1......by programming.</p>
  
  <p>help me</p>