Templated Hierarchical Repeater Control

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;
using DaveControls.HierarchicalControls.Data;

namespace Samples
{
    public partial class SimpleStaticHierarchicalRepeater : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                SimpleHierarchicalRepeater.DataSource = TestDataSource;
                SimpleHierarchicalRepeater.DataBind();
            }
        }

        /// <summary>
        /// This is the data source the HierarchicalRepeater control will be data bound to.  
        /// The HierarchicalRepeater control requires its datasource object to inherit HierarchyDataItemBase
        /// </summary>
        private SimpleTestData _testDataSource;
        private SimpleTestData TestDataSource
        {
            get
            {
                if (_testDataSource == null)
                {
                    SimpleTestData testDataSource = new SimpleTestData("rootItem");

                    testDataSource.Add(new SimpleTestData("Pie"));
                    testDataSource.Add(new SimpleTestData("Cake"));

                    SimpleTestData item3 = new SimpleTestData("Fruit");
                    SimpleTestData item3a = new SimpleTestData("Apples");
                    SimpleTestData item3b = new SimpleTestData("Pears");
                    SimpleTestData item3c = new SimpleTestData("Oranges");

                    item3.Add(item3a);
                    item3.Add(item3b);
                    item3.Add(item3c);

                    SimpleTestData item3a1 = new SimpleTestData("Granny Smith");
                    SimpleTestData item3a2 = new SimpleTestData("Goldern Delicious");

                    item3a.Add(item3a1);
                    item3a.Add(item3a2);

                    testDataSource.Add(item3);

                    testDataSource.Add(new SimpleTestData("Crisps"));
                    _testDataSource = testDataSource;
                }
                return _testDataSource;
            }
        }

        /// <summary>
        /// This class represents the datasource and dataitems the HierarchicalRepeater control will bind to.
        /// It inherits HierarchyDataItemBase as required, and the additional properties are specific to this
        /// sample and can be data bound to in the ItemTemplate, ChildrenHeaderTemplate and FooterHeaderTemplate
        /// of the control.
        /// </summary>
        private class SimpleTestData : HierarchyDataItemBase
        {
            private string _text;

            public string Text
            {
                get { return _text; }
                set { _text = value; }
            }

            public SimpleTestData(string text)
            {
                _text = text;
            }
        }
    }
}