public bool AddUser(RentalAgent ren)
 {
     try
     {
         ren.Salt     = new LoginHelper().CreateSalt();
         ren.HashPass = new LoginHelper().Hasher(ren.HashPass, ren.Salt);
         return(DB.AddRenAgent(ren));
     }
     catch (Exception)
     {
         return(true);
     }
 }