public void GetById()
 {
     try
     {
         Departments dep = _model.GetById(DepartmentId);
         DepartmentId   = dep.Id;
         DepartmentName = dep.DepartmentName;
         Timer          = Convert.ToBase64String(dep.Timer);
     }
     catch (NullReferenceException)
     {
         DepartmentName = "not found";
     }
     catch (Exception ex)
     {
         DepartmentName = "not found";
         Console.WriteLine("Problem in " + GetType().Name + " " + MethodBase.GetCurrentMethod().Name + " " + ex.Message);
         throw ex;
     }
 }