System.Web.UI.WebControls.DataGrid.AdjustItemTypes C# (CSharp) Метод

		void AdjustItemTypes (int prev_select, int new_select)
		{
			if (items_list == null)
				return; // nothing to select

			int count = items_list.Count;
			if (count == 0)
				return; // nothing to select

			DataGridItem item;
			// Restore item type for the previously selected one.
			if (prev_select >= 0 && prev_select < count) {
				item = (DataGridItem) items_list [prev_select];
				
				if (item.ItemType == ListItemType.EditItem) {
					// nothing to do. This has priority.
				} else if ((item.ItemIndex % 2) != 0) {
					item.SetItemType (ListItemType.AlternatingItem);
				} else {
					item.SetItemType (ListItemType.Item);
				}
			}

			if (new_select == -1 || new_select >= count)
				return; // nothing to select

			item = (DataGridItem) items_list [new_select];
			if (item.ItemType != ListItemType.EditItem) // EditItem takes precedence
				item.SetItemType (ListItemType.SelectedItem);
		}