LINQ Deleter Query in c#.net

LINQ Deleter Query:

MydbDataContext db = new MydbDataContext();

        tbl_student stu = db.tbl_students.Single(x => x.Id == 103);

        db.tbl_students.DeleteOnSubmit(stu);

        db.SubmitChanges();

C#.net Code

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class Delete : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        MydbDataContext db = new MydbDataContext();

        tbl_student stu = db.tbl_students.Single(x => x.Id == 103);

        db.tbl_students.DeleteOnSubmit(stu);

        db.SubmitChanges();

    }

}