How to implement change by id in List?

Question

C++ / C#

There is a list, but I don’t know how to determine the id of the students and change the students’ data when calling by id, how can this be done?

List<Student> students = new List<Student>()
  {
    new Student(){name = "Daniel", surname ="Page", age =19, kurs = "1", special = "IT"},
    new Student(){name = "Kimberly", surname ="Glover", age =18, kurs = "3", special = "IT"},
    new Student(){name = "Robert", surname =" Jackson", age =25, kurs = "5", special = "IT"},
    new Student(){name = "Sarah", surname ="Thomas", age =19, kurs = "1", special = "IT"},
  };

Answer 1

student id (judging by your example) is a combination of the name + surname fields, the
search for such an id will be as follows:

var searchName = "значение для поиска";
var searchSurname = "значение для поиска";
var foundedStudent = students.Find(student => student.name == searchName && student.surname == searchSurnname);
if (foundedStudent != null){
  foundedStudent ... меняйте как хотите
}