How to update value in a List using LINQ

Question

I have a list which I want to update using LINQ.

class Student
{
    private string name;
    private int marks;
    public string Name { get; set;}
    pub         


        

Answer 1

This is kind of clunky, but works, and doesn't depend on being passed a reference. It creates a new list based on the old.

var myList=myList.Select(l=>new Student { 
   l.Name,
   Marks=l.Name=="Tom"?35:l.Marks}).ToList();

Or more silly:

var myList=myList.Where(l=>l.Name!="Tom").Union(
  myList.Where(l=>l.Name=="Tom").Select(l=>new Student { 
   l.Name,
   Marks=35})).ToList();