ObservableCollection<T> edit/update/delete etc.

[Ivan]

Hello,

My data source looks like:
RadGrid1.DataSource = TubesLoad;
where TubesLoad is ObservableCollection from my dll(from references).

I know, what i mast handle events RadGrid1_ItemUpdated, RadGrid1_ItemCreated etc. for each action with dataGrid. But i can't find the way to update data in my collection using Telerik.
Can u help me?

Thanks.
Ivan.

[Ivan]

in my post earlier i've got mystake:
of course i mean must when type mast. sorry.