remove a list from another list c# code example

Example 1: how to delete from a list c#

var resultList = new List<int>();
resultList.Add(1);
resultList.Add(2);
resultList.Add(3);

// Removes the number 1 from the index 0 in the list
resultlist.RemoveAt(0);

// Allows you to remove an Object from the list instead
var itemToRemove = resultlist.Single(r => r.Id == 2);
resultList.Remove(itemToRemove);

Example 2: remove items from one list in another c#

destionList.RemoveAll(x => sourceList.Exists(y => y.Id == x.Id));