LINQ to SQL - Inner Join

LINQ to SQL query to perform inner join on tables Product and ProductDocument on productID as primary key

protected void Page_Load(object sender, EventArgs e)

    {

        MydbDataContext db1 = new MydbDataContext();

        //LINQ to SQL query to perform inner join on tables Product and ProductDocument on productID as primary key

        var query = db1.Products.Join(db1.ProductDocuments, p => p.ProductID, m => m.ProductID, (c, m) => new {c.ProductID,m.DocumentID,c.Name });

        GridView1.DataSource = query;

        GridView1.DataBind();

    }