public class PageWithObject : Page
{
        protected MagicObject m_objMagic;

        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);

            m_objMagic = new MagicObject(this);
        }
}


public partial class SearchResult : PageWithObject 
{
        protected void Page_Init(object sender, System.EventArgs e)
        {
             m_objMagic.DoSomething();
        }


        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.Init += new EventHandler(this.Page_Init);
            this.Load += new EventHandler(this.Page_Load);

        }
        #endregion

}