'Use this to change display modes in the web parts manager



If rdoDisplayMode.SelectedIndex = 0 Then
            WebPartManager1.DisplayMode = WebPartManager.BrowseDisplayMode
        ElseIf rdoDisplayMode.SelectedIndex = 1 Then
            WebPartManager1.DisplayMode = WebPartManager.DesignDisplayMode
        ElseIf rdoDisplayMode.SelectedIndex = 2 Then
            WebPartManager1.DisplayMode = WebPartManager.CatalogDisplayMode
        ElseIf rdoDisplayMode.SelectedIndex = 3 Then
            WebPartManager1.DisplayMode = WebPartManager.EditDisplayMode
End If