how load my base page first after then the dynamic page

Try
          Dim type As Type = BuildManager.GetCompiledType("~/" & pagePath)
      Dim pageView As System.Web.UI.Page = DirectCast(Activator.CreateInstance(type), System.Web.UI.Page)
          pageView.Title = " page loaded ..."
          'pageView.
          '.ProcessRequest(HttpContext.Current)
          DirectCast(pageView, IHttpHandler).ProcessRequest(HttpContext.Current)

      Catch ex As Exception

      End Try

i need to load the base page first and then the dynamic page because i have controls which i have to place at the top of the page after parsing the dynamic page please assit

Thanks..