Usercontrol life cycle

Question

Hello,

 I have a web application, that has Masterpage, and a usercontrol inside Masterpage and some pages,

 

I have a button in one of pages for updating database,

after click button and page refresh, database and masterpage and page updated, but the value in usercontrol doesnt update, and I will refresh page manually to show updated data in usercontroll,

 

Would you please anyone tell me a solution for fix this issue ?