public void Add()
 {
     Id = -1;
     try
     {
         Employees emp = new Employees();
         emp.LastName     = LastName;
         emp.DepartmentId = DepartmentId;
         emp.Title        = Title;
         emp.FirstName    = FirstName;
         emp.Email        = Email;
         emp.PhoneNo      = PhoneNo;
         Id = _model.ADD(emp);
     }
     catch (Exception ex)
     {
         LastName = "not found";
         Console.WriteLine("Problem in " + GetType().Name + " " + MethodBase.GetCurrentMethod().Name + " " + ex.Message);
         throw ex;
     }
 }