Loading and Destroying web user controls into a panel
 

Hello:
I’ve a web form containing a web user control and a panel, this web user control have 2 buttons, when user push 1st button I need load a 2nd web user control into panel of web form. When user push 2nd button of 1st web user control I need destroy 2nd web user control which is into panel and place therein a 3rd web user control.
I’ll appreciate some ideas to attain it.
A.L.