C# Online Compiler | .NET Fiddle

using System;
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApplication1
{
    internal class Student
    {
        public int ID { get; set; }
        public string Name { get; set; }
    }

    internal class StudentNameComparer : IEqualityComparer<Student>
    {
        public bool Equals(Student x, Student y)
        {
            if (string.Equals(x.Name, y.Name, StringComparison.OrdinalIgnoreCase))
            {
                return true;
            }
            return false;
        }

        public int GetHashCode(Student obj)
        {
            return obj.Name.GetHashCode();
        }
    }

    public class Program
    {
        public static void Main(string[] args)
        {
            List<Student> students = new List<Student>();

            students.Add(new Student { ID = 1, Name = "Asutosh" });
            students.Add(new Student { ID = 1, Name = "Kapil" });
            students.Add(new Student { ID = 1, Name = "Sumit" });
            students.Add(new Student { ID = 1, Name = "Rajat" });
            students.Add(new Student { ID = 1, Name = "Preeti" });
            students.Add(new Student { ID = 1, Name = "Sumit" });
            students.Add(new Student { ID = 1, Name = "Kanupriya" });
            students.Add(new Student { ID = 1, Name = "Kapil" });

            var distinctStudents = students.Distinct(new StudentNameComparer());

            foreach (var student in distinctStudents)
            {
                Console.WriteLine(student.Name);
            }
        }
    }
}

 
using System;
using System.Collections.Generic;
using System.Linq;
​
namespace ConsoleApplication1
{
    internal class Student
    {
        public int ID { get; set; }
        public string Name { get; set; }
    }
​
    internal class StudentNameComparer : IEqualityComparer<Student>
    {
        public bool Equals(Student x, Student y)
        {
            if (string.Equals(x.Name, y.Name, StringComparison.OrdinalIgnoreCase))
            {
                return true;
            }
            return false;
        }
​
        public int GetHashCode(Student obj)

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