ASP.NET Clean page base

public class CleanPage : System.Web.UI.Page
    {
        public override string StyleSheetTheme
        {
            get { return ""; }
            set { }
        }

        protected void Page_PreInit(object sender, EventArgs e)
        {
            this.EnableViewState = false;
            this.ViewStateMode = System.Web.UI.ViewStateMode.Disabled;
            this.Theme = "";
        }

        public CleanPage()
        {
            this.EnableTheming = false;
            this.ViewStateEncryptionMode = System.Web.UI.ViewStateEncryptionMode.Never;  
        }

    }