How to use IndexOf() method of List<object>

Question

All the examples I see of using the IndexOf() method in List are of basic string types. What I want to know is how to return the index of

Answer 1

you can do this through override Equals method

class Employee
    {
        string _name;
        string _last;
        double _val;
        public Employee(string name, string last, double  val)
        {
            _name = name;
            _last = last;
            _val = val;
        }
        public override bool Equals(object obj)
        {
            Employee e = obj as Employee;
            return e._name == _name;
        }
    }