Ascx(user control) page contain next button..when press next button, redirect to another user control page..

hi!
    I have master page & Default.aspx page and also have 5 ascx(user control)page...In default.aspx page contain panel bar..depending upon the panel bar selected item, ascx page loaded....Now I need , each user control(ascx) page contain next button...when press next button, goto another ascx control...In that ascx page also contain next button..press that button, redirect to another ascx page...this type of navigation I want, can anyone please give sample code to me?thanks.....
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