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c#javascript.nethtmlwebbrowser-control
Nathan Tornquist
Nathan Tornquist

Reputation: 6609

Is there a way to track Internet Explorer Error messages from the WebBrowser Control?

Is there a way to track error messages in a webBrowser control? For example, in Firefox or Internet Explorer, I can look at the console output for Javascript errors. Is there a way to track those errors from within the application?

Upvotes: 1

Views: 1328

Answers (3)

Uwe Keim
Uwe Keim

Reputation: 40736

There are two related Microsoft KB articles:

Although these are related to unmanaged C++ code, you should be able to adopt these for the C# web browser control, too.

Another article suggests to subscribe to the onerror event:

m_htmlDoc = (IHTMLDocument2)axWebBrowser1.Document;
HTMLWindowEvents2_Event onErrorEvent;
onErrorEvent = (HTMLWindowEvents2_Event)m_htmlDoc.parentWindow;
onErrorEvent.onerror += new
HTMLWindowEvents2_onerrorEventHandler(myHTMLWindowEvents2_onerror);

And finally, there is a similar SO posting related to Delphi.

Upvotes: 2

Phunky
Phunky

Reputation: 481

Later versions of IE have a developer toolbar but sadly its not quite as good as Firebug or Web Inspector but thankfully we do have Firebug lite (http://getfirebug.com/firebuglite) which can help out with most things.

Upvotes: 0

Emmanuel N
Emmanuel N

Reputation: 7449

use window.onerror event, something like

window.onerror=function(msg, url, linenumber){
   alert('Error message: '+msg+'\nURL: '+url+'\nLine Number: '+linenumber)
   return true
}

Upvotes: 2

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