using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;      

using System.Data;

using System.Data.DataSetExtensions;

​

public class Program

{

    public static void Main()

    {

        //Sample Data

        var vJobs = new List<Jobs> { new Jobs { UID = 1 }, new Jobs { UID = 2 } };

        var vResidence = new List<Residence> { new Residence { UID = 1 } };

        var result = vJobs.Join(vResidence, jb => new { jb.UID }, res => new { res.UID }, (jb, res) => new { jb, res })

            .Select(x => x.jb).ToList();

        foreach(var item in result)

            Console.WriteLine(item.UID);

​

    }   

}

​

public class Residence

{

    public int UID { get; set; }

}

​

public class Jobs

{

    public int UID { get; set; }

}

​