532 {
533 int num = 0;
538 {
539 switch (
item.RowState)
540 {
541 case DataRowState.Added:
542 num++;
543 break;
544 case DataRowState.Deleted:
546 break;
547 case DataRowState.Modified:
549 break;
550 }
551 }
554 {
557 num = 0;
559 {
560 switch (
item2.RowState)
561 {
562 case DataRowState.Added:
564 break;
565 case DataRowState.Deleted:
567 break;
568 case DataRowState.Modified:
570 break;
571 }
572 }
573 }
574 else
575 {
578 {
579 if ((
item3.RowState & (DataRowState.Added | DataRowState.Deleted | DataRowState.Modified)) != 0)
580 {
583 {
584 break;
585 }
586 }
587 }
588 }
590 }