Kadr.Data.Department.OnValidate C# (CSharp) Method

partial         void OnValidate(System.Data.Linq.ChangeAction action)
        {
            if ((action == ChangeAction.Insert) || (action == ChangeAction.Update))
            {
                if ((DepartmentName == null) || (DepartmentName == ""))
                    throw new ArgumentNullException("Название отдела.");
                if ((DepartmentSmallName == null) || (DepartmentSmallName == ""))
                    throw new ArgumentNullException("Краткое название отдела.");
                //if (PlanStaff.IsNull())
                //    PlanStaff = null;
            }
        }