How to display web page in between of running code.

Hi All,
I am developing an ASP.Net web application in which i am adding some coding part of AI(Artificial Intelligency). Below is my current methodology.
Below code will run when user click on btnConfirm button. Inside this code AI part is also will execute after performing the user parts. In Between user action and ComputerAI, i want to display the same web page to realize the user that now this is the computer's turn.. 
 protected void btnConfirm_Click(object sender, EventArgs e)    
{
        GetCurrentID();       
       MakeControlReadOnly();        
        FindWord();
        ChangePlayerTurn();
         if (CommonSettings.Player == 1)        
         { 
...