Chandramouli, C# - rextester

Chandramouli

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
                List<int> RowNo = new List<int>();

List<Student> studentList1 = new List<Student>() { 
				new Student() { StudentID = 1, StudentName = "John", Age = 13} ,
				new Student() { StudentID = 2, StudentName = "Moin",  Age = 21 } ,
				new Student() { StudentID = 3, StudentName = "Bill",  Age = 18 } ,
				new Student() { StudentID = 4, StudentName = "Ram" , Age = 20} ,
				new Student() { StudentID = 5, StudentName = "Ron" , Age = 15 } 
                };
            
              List<Student> studentList2 = new List<Student>() { 				
				new Student() { StudentID = 2, StudentName = "Chandra",  Age = 21 } ,
                new Student() { StudentID = 1, StudentName = "John", Age = 13} ,
				new Student() { StudentID = 3, StudentName = "Bill",  Age = 18 } ,
				new Student() { StudentID = 4, StudentName = "Ram" , Age = 20} ,
				new Student() { StudentID = 5, StudentName = "Ron" , Age = 15 } 
                };
            
              RowNo=studentList1.Select((s, index) => new { s, index }).Where(a => studentList2.Any(b => b.StudentName == a.s.StudentName)).Select(x => x.index).ToList();
		
         
            Console.WriteLine(string.Join(",", RowNo));
            
        }
        
        public class Student
        {
        public int StudentID { get; set; }
        public string StudentName { get; set; }
        public int Age { get; set; }
        }
        
    }
}


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