WebBrowser control does not complete loading when javascript:void(0) called

Question

I have an application in C# which uses a WebBrowser control.

On one page the user can click a button to process some information and navigate to a new page. The issue is that when the user clicks this button the WebBrowser just seems to stop.

I handle the Navigating, Navigated and DocumentCompleted events in my code and I see the Navigating event but then nothing else.

This is the HTML for the button being clicked:

<div class="right button-wrapper">
    <div class="clearfix right">
        <span id="nextbutton" 
              class="button-link button-link btn-reg btn-blue-reg">
            <span class="hasHover"><a id="btnPay" 
                href="javascript:void(0);" class="buttons">Next:Pay and Print</a>
            </span>
         </span>
    </div>
</div>

Buttons on other pages can be clicked with no issues.

I am assuming it has something to do with the href="javascript:void(0);" portion of the HTML but do not know why. In a browser such as IE or Firefox when this button is clicked something like a progress bar appears and say "Processing" for a few seconds and then the next page loads.

EDIT:I should mention that the Navigating handler fires twice and then the page freezes.

javascript:void(0) is telling your browser to do absolutely nothing when the link is clicked. There should probably be some JavaScript adding eventlisteners to that link. What does that JavaScript look like? — Anders Tornblad
– Anders Tornblad, Commented Apr 19, 2012 at 11:00
@atornblad, thanks for the response. I do not own the webpage so I don't know that I can get the JavaScript (unless it is embedded in the document?). I am able to view the source for the page and can provide that if it would help. — Hoyle Greene
– Hoyle Greene, Commented Apr 19, 2012 at 12:33
Have you tried Debuging JavaScript in a WebBrowser to see if you can see what, if anything, happens on the JavaScript side? — Joshua Drake
– Joshua Drake, Commented Apr 19, 2012 at 12:37
@atornblad, I believe this is the portion of the JavaScript where it stops loading: if(this.validate() === true){ self.modal.openOverlay(); self.modal.openOverlayProgress(); ce.checkoutForm.submit(); This is after some validation has taken place. Thanks. — Hoyle Greene
– Hoyle Greene, Commented Apr 19, 2012 at 13:52

peterdn · Accepted Answer · 2013-05-02 21:43:54Z

2

This is apparently caused by IE7+'s "Script URL Mitigation" feature and can be fixed for your application by disabling FEATURE_SCRIPTURL_MITIGATION.

answered May 2, 2013 at 21:43

peterdn

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