how to refresh page using back button click in mvc?

i have a page there i used link button so i can go to another page .

here inside i created view and used comment box with update button and back button.

and this comment i am showing to table like what comment i gave th there

so if i gave the comment and update it is happening successfully .

and if i click on back button it is redirected to previous page but that comment should be show when i click on back button
means when i click on bank button page shuld be refresh without click on browing refreshing.

and my back button is