System.Object
   System.Web.UI.Control
      System.Web.UI.TemplateControl
         System.Web.UI.Page
            Terrasoft.UI.WebControls.Page
               Terrasoft.WebApp.Page
                  Terrasoft.WebApp.Features

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference