using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        // Student collection

        IList<Student> studentList = new List<Student>() { 

                new Student() { StudentID = 1, StudentName = "John", Age = 18, StandardID = 1 } ,

                new Student() { StudentID = 2, StudentName = "Steve",  Age = 21, StandardID = 1 } ,

                new Student() { StudentID = 3, StudentName = "Bill",  Age = 18, StandardID = 2 } ,

                new Student() { StudentID = 4, StudentName = "Ram" , Age = 20, StandardID = 2 } ,

                new Student() { StudentID = 5, StudentName = "Ron" , Age = 21 } 

            };

        IList<Standard> standardList = new List<Standard>() { 

                new Standard(){ StandardID = 1, StandardName="Standard 1"},

                new Standard(){ StandardID = 2, StandardName="Standard 2"},

                new Standard(){ StandardID = 3, StandardName="Standard 3"}

            };

        var innerJoinResult = from s in studentList // outer sequence

                              join st in standardList //inner sequence 

                              on s.StandardID equals st.StandardID // key selector 

                              select new { // result selector 

                                            StudentName = s.StudentName, 

                                            StandardName = st.StandardName 

                                        };

​

        foreach (var obj in innerJoinResult)

        {

            Console.WriteLine("{0} - {1}", obj.StudentName, obj.StandardName);

        }

    }

}

​

public class Student{

​

    public int StudentID { get; set; }

    public string StudentName { get; set; }

    public int Age { get; set; }

    public int StandardID { get; set; }

}

​

public class Standard{

​

    public int StandardID { get; set; }

    public string StandardName { get; set; }

}