Creating Instances of UserControls Declaratively and Programmatically

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

public partial class UCProgrammatically : System.Web.UI.Page
{
    //instance of the user control using controls class name
    protected ASP.Controls_ItemSummary ucItemSummary;

    protected void Page_Load(object sender, EventArgs e)
    {
        for (int i = 1; i < 5; i++)
        {
            //Load Control
            ucItemSummary = (ASP.Controls_ItemSummary)LoadControl("~/Controls/ItemSummary.ascx");

            //Set Control properties
            ucItemSummary.ItemSummary = "My Control " + i.ToString();
            ucItemSummary.ItemImageURL = "~/App_Themes/Images/monitor.gif";

            //Break between the controls
            phControlHolder.Controls.Add(new LiteralControl("<br/>"));

            //Add Control to the Place Holder
            phControlHolder.Controls.Add(ucItemSummary);
        }
    }

}