Hosting IFRAMEs using the JQuery UI Tabs plug-in - Part 1

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

namespace HomeSite
{
    /// <summary>
    /// Content Loader code behind class
    /// </summary>
    public partial class ContentLoader : System.Web.UI.Page
    {
        /// <summary>
        /// On Page Load we need to capture query string parameters, construct
        /// an IFRAME element, and inject the IFRAME element into our Literal control
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            string id = "";
            string path = "";

            // Validate we have valid querystring parameters namely "ID" and "Path"
            if (HasValue(Request["ID"]) && HasValue(Request["Path"]))
            {
                // Set our local variables
                id = Request["ID"].Trim().ToString();
                path = Request["Path"].Trim().ToString();

                // Prepend the path URL with http:// if needed
                if (!path.ToLowerInvariant().StartsWith("http://"))
                    path = "http://" + path;

                // Construct the IFRAME element and set the Text value of the Literal control
                Literal1.Text = "<iframe class=\"contentsIframe\" id=\"contentFrame" + id + "\" frameborder=\"0\" src=\"" + path + "\"></iframe>";
            }
            else
            {
                // Either query parameter or both are not set or do not
                // exist (not passed as request parameters)
                Literal1.Text = "<span id=\"contentFrame\">An error occurred while attempting to load a web page.</span>";
            }

        }

        /// <summary>
        /// Simple static class used to validate the value of querystring
        /// parameter is not null or an empty string
        /// </summary>
        /// <param name="o"></param>
        /// <returns></returns>
        public static bool HasValue(object o)
        {
            if (o == null)
                return false;

            if (o is String)
            {
                if (((String) o).Trim() == String.Empty)
                    return false;
            }

            return true;
        }

    }

}