Linq 11

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _11 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataClassesDataContext db = new DataClassesDataContext();

        var qry = from emp in db.Employees
                  join dat in db.Customers on emp.City equals dat.City
                  select new {FirstName = emp.FirstName,
                              LastName = emp.LastName,
                              CompanyName = dat.CompanyName,
                              ContactName = dat.ContactName
                  };

        GridView1.DataSource = qry;
        GridView1.DataBind();

    }

    /*
     *  Mediante el uso de la clausula join seleccione los campos LastName y
        FirstName de la tabla Employees y los campos ContactName y
        Company Name que sean de la misma ciudad (City). Muestre los
        resultados en un GridView.
     */
}