Bootstrap accordion prevent collapse on postback in asp.net

Question

I have a bootstrap accordion where i try to reopen the last opened pane on a postback as in if someone clicks a save button on my page. I found this solution: Retain Twitter

Answer 1

**Updated code for make accordion run able with current tab active. **

  

    

      
Header 1 
    
    

      
Content 1
    
  
  

    

      
Header 2 
    
    

      
Content 2
    
  

  

    

      
Header 3 
    
    

      
Content 3