LINQ - Find all items in one list that aren't in another list

Question

I\'m stuck with a LINQ query (or any other efficient means of accomplishing the same thing). Can someone show me how I can select all the items in one list that are not pre

Answer 1

The easiest way is to use the Except method.

var deletedItems = list1.Except(joinItems);

This will return the set of items in list1 that's not contained in joinItems