[WebMethod]
        public EMails GetSelectedEmail(int selectedEmail)
        {
            EMails email = new EMails
            {
                EMail = "sdfgsdf",
                Notification_Dealer_Flag = true
            };

            return email;
        }

        function FillEmailControls(sender) {
            $.ajax({
                type: "POST",
                url: "/User/CarDealers2.aspx/GetSelectedEmail",
                data: "{selectedEmail: 1}",
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                success: function (response) {
                    $("#ctl00_ContentPane_PageControl_tbEmail_I").attr("value", response.d.EMail);
                    $("#ctl00_ContentPane_PageControl_chkNotificationDealer_I").attr("checked", response.d.Notification_Dealer_Flag);
                },
                error: function (XMLHttpRequest, textStatus, errorThrown) {
                    alert('FillEmailControls(' + sender.GetValue() + '). Ошибка при выполнении запроса: ' + errorThrown);
                }
            });
        }