| Syntax: (1) listItem.SystemUpdate();
  Updates list item without changing Modified and Modified By fields valueVersion of the list item is NOT increased (2) listItem.SystemUpdate(true);  Updates list item without changing Modified and Modified By fields valueVersion of the list item is increased (3) listItem.SystemUpdate(false);  Updates list item without changing Modified and Modified By fields valueVersion of the list item is NOT increased   NOTE: listItem.SystemUpdate() = listItem.SystemUpdate(false) |