How to Remove elements from one List based another list's element and condition?

Question

How to remove list items from list1 which mats condition with list2 items using LINQ without duplicates

I know how to do it in simple foreach way but i want the same using Linq style single line code.

How to do it using Linq?

Input list

list1 = new List(){new object{id = 40},new object{id = 50},new object{id = 60}}
list2 = new List(){new object{id = 400},new object{id = 50},new object{id = 600}}

Expected Output should from list1

new object{id = 40},new object{id = 60}

Answer 1

You can remove the elements like this:

list1.RemoveAll(item => list2.Any(item2 => item.Key == item2.Key))