.net中修改位于UpdatePanel外的控件内容

 Dim js As String = "$('#ImagePage').val('" & PageCount & "');"
        Dim jss As String = "$('#Label1').html('图片说明:[" & title(PageCount) & "]<br/>(" & (PageCount) & "/" & Me.sumPage.Value & ")')"
        ScriptManager.RegisterStartupScript(Me.Page, Me.Page.GetType, "PageCount", js & jss, True)