Is this the one from List<T>?
check out http://msdn.microsoft.com/en-us/library/wdka673a.aspx
This will only remove it from the collection not from the DB
If I am I because I am I, and You are You because You are You, then I am I, and you are you. But If I am I because You are You, and You are You because I am I, then I am not I and You are not You. -Rabbi of Kotzk