Disable browsers' back button, completely

Question

Need to prevent users going to the previous page, completely.

When I use the following code it works but it's not what I need exactly. When pressing the back button it says "Document Expired":

Response.Cache.SetExpires(DateTime.UtcNow.AddDays(-1));
Response.Cache.SetValidUntilExpires(false);
Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Cache.SetNoStore();

Another idea - to open a new window without toolbar:

<script>
    function PopupWithoutToolbar(link) {
        var w = window.open(link.href,
            link.target || "_blank",
            'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,dependent,width=800,height=620,left=0,top=0');
        return w ? false : true;
    }
</script>

<a href="http://www.google.com" onclick="return PopupWithoutToolbar(this)">yahoo</a>

But, still... If the user presses the backspace button on a keyboard he can go back. It seems that this approach is only for hiding and not disabling buttons.

Is there any way to simply ignore the back button?

Answer 1

I'm using a slightly different solution:

history.pushState(null, null, location.href);
window.onpopstate = function () {
    history.go(1);
}