Removes the System.Web.UI.WebControls.MenuItem object at the specified index location from the current System.Web.UI.WebControls.MenuItemCollection object.
Use the MenuItemCollection.RemoveAt(int) method to remove the System.Web.UI.WebControls.MenuItem object at the specified index location from the collection. All items that follow that menu item are then moved up to fill in the vacant position. The indexes of the moved items are also updated.
The System.Web.UI.WebControls.MenuItemCollection object can contain null values, as well as duplicate System.Web.UI.WebControls.MenuItem objects.
As an alternative, you can remove a specific System.Web.UI.WebControls.MenuItem object by using the MenuItemCollection.Remove(MenuItem) method. You can also remove all menu items from the collection by using the MenuItemCollection.Clear method.