public void RemoveItem(int itemIndex)
{
// clear selected item, if deleting the current selected index
if (SelectedIndex == itemIndex)
{
SelectedIndex = -1;
}
// remove the correspondent data item from the controls
OSDataGridTable child = (OSDataGridTable)Controls[0];
// find the row corresponding to this index
int rowIndexToRemove = -1;
for (int i = 0; i < child.Rows.Count; i++)
{
OSDataGridItem item = (OSDataGridItem)child.Rows[i];
bool isItem = item.ItemType == ListItemType.AlternatingItem || item.ItemType == ListItemType.Item;
if (isItem && item.ItemIndex == itemIndex)
{
rowIndexToRemove = i;
break;
}
}
IOSList rl = DataSource;
if (rowIndexToRemove == -1 || itemIndex >= rl.Length)
{
throw new ArgumentException("Index of out range");
}
child.Rows.RemoveAt(rowIndexToRemove);
// update the datasource
rl.Remove(itemIndex);
// update item count
ViewState["_!ItemCount"] = rl.Length;
// decrease higher item indexes in the data grid
foreach (OSDataGridItem otherItem in child.Rows)
{
if (otherItem.ItemIndex > itemIndex)
{
otherItem.SetItemIndex(otherItem.ItemIndex - 1);
}
}
// add empty row if necessary
AddEmptyRow();
// update row ids in the viewstate
StoreViewStateRowIdsandItemIndexes();
}
public void RemoveItem(int itemIndex)
{
// clear selected item, if deleting the current selected index
if (SelectedIndex == itemIndex)
{
SelectedIndex = -1;
}
// find the Repeater Item for this itemItem
int rowIndexToRemove = -1;
for (int i = 0; i < Controls.Count; i += 2)
{
IIteratorItem item = (IIteratorItem)Controls[i];
if (item.ItemIndex == itemIndex)
{
rowIndexToRemove = i;
break;
}
}
IOSList rl = DataSource;
if (rowIndexToRemove == -1 || itemIndex >= rl.Length)
{
throw new ArgumentException("Index of out range");
}
// remove the repeater item
Controls.RemoveAt(rowIndexToRemove);
// remove also the invisible item, now at the same position
Controls.RemoveAt(rowIndexToRemove);
// update the datasource
rl.Remove(itemIndex);
// update item count
ViewStateAttributes.SetInViewState("NumItems", ItemCount, null);
// set the empty property
_isEmpty = (rl.Length == 0);
// decrease higher item indexes in the iterator
foreach (IIteratorItem otherItem in Controls)
{
if (otherItem.ItemIndex > itemIndex)
{
otherItem.ItemIndex--;
}
}
// update item ids and indexes in the viewstate
StoreViewStateItemIdsandIndexes();
}