protected void Page_Load(object sender, EventArgs e)
 {
     TrimTextBoxes();
     if(!IsPostBack)
     {
     }
     RPUser = RPSession.PopFromSession<RentPaymentUser>(Constants.SessionKeys.RentPaymentUser);
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     var trpUser = new RentPaymentUser(0, "AdminAdmin1", "Admin", "Dima");
     trpUser.Identity= System.Web.HttpContext.Current.User.Identity;
 }