Entity Framework 4.1: How do I delete by object Id

Question

I would like to know how to delete an object from Entity Framework 4.1 without first having to load the object from the database. I have found these other 2 answers on Stack Ove

Answer 1

I use the following for my deletes, works great.

public virtual ActionResult Delete(int commentID)
{
    var c = new Comment(){CommentID = commentID};
    db.Entry(c).State= EntityState.Deleted;
    db.SaveChanges();
    return RedirectToAction(MVC.Blog.AdminComment.Index());
}