How to bind LINQ query data to datagridview using Microsoft visual studio 2010?

How to create entity model to retrieve data from database?
Add-> New Item -> ADO.NET Entity Data Model.
It will create Model1.edmx file.
Select Generate from database and click on Next.
It will ask you to create new connection.
Check checkbox "Save entity connection settings in App.config file".
Click on next and select tables , Views , stored procedure you want to add.
Click on Finish button to create entity model.
Creation of Windows form
Add-> New Item -> Windows form to create Form1.cs
Design windows form
Drag and drop datagridview and one button say btnRetrievedata.
Add following code in Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace FirstLINQ
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnRetrievedata_Click(object sender, EventArgs e)
        {
            yourEntityname obj = new yourEntityname();
            //LINQ query            
            var dept = from o in obj.DEPARTMENTS
                       where o.DEPTNO == 1001
                       select o;
            //This will bind data to datagridview
            dataGridView1.DataSource = dept.ToList();            
        }  
       
    }
}