protected void Page_Load(object sender, EventArgs e)
        {
AddLinkedStyle("Show.css");
            System.Web.UI.Page m_Page = (System.Web.UI.Page)System.Web.HttpContext.Current.Handler;
            m_Page.ClientScript.RegisterStartupScript(m_Page.GetType(), "clientScript", "");
}
        protected void AddLinkedStyle(string url)
        {
            HtmlLink link = new HtmlLink();
            link.Attributes.Add("type", "text/css");
            link.Attributes.Add("rel", "stylesheet");
            link.Attributes.Add("href", url);
            Page.Header.Controls.Add(link);
        }