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From: Scott M. on 15 Sep 2009 16:42
When you do ASP .NET, you can use Visual Studio .NET and IE to debug client
side code pretty easily. I just don't think that process is applicable to
WinForms apps with embedded browser controls.

Sorry!

-Scott

"John Brock" <jbrock(a)panix.com> wrote in message
news:h8orgt$jvh$1(a)reader1.panix.com...
> I'm already using alert(), but a real debugger would be extremely
> desirable. I'm sure the people doing ASP.NET programming aren't
> using alert() -- (which is why I included an ASP.NET newsgroup in
> my distribution list) -- but I have no idea if what they are doing
> is applicable to me. Maybe if I were using a full version of Visual
> Studio, rather than VB Express? But displaying JavaScript in a
> WebBrowser control has got to be a fairly common practice, so I'm
> really hoping there is something out there I can use.
>
> In article <O1eULDZNKHA.4816(a)TK2MSFTNGP04.phx.gbl>,
> Scott M. <s-mar(a)nospam.nospam> wrote:
>>It's a bit of a hack, but you could insert a JavaScript alert(); within
>>the
>>document to display pertinent info helpful for debugging.
>
>>"John Brock" <jbrock(a)panix.com> wrote in message
>>news:h8m5dq$3p9$1(a)reader1.panix.com...
>>>I am using Visual Basic 2008 Express to write a Windows Forms
>>> application that displays HTML/JavaScript pages in a WebBrowser
>>> control. (I'm setting the form as the WebBrowser's ObjectForScripting
>>> and calling "window.external.whatever()" from JavaScript when I
>>> want JavaScript to call functions in the app).
>>>
>>> Right now it can be very difficult to find bugs in the JavaScript
>>> code. If I set ScriptErrorsSuppressed = False I sometimes get a
>>> helpful popup. Or I can scatter JavaScript alert popups through
>>> the code. But it would be very nice to have a real debugger! So
>>> I'm trying to find out if there are any standard (or even non-standard)
>>> ways to debug JavaScript in this situation.
>>>
>>> (Note that I have IE8 installed on my PC. I understand there is
>>> a spiffy new JavaScript debugger that comes with IE8 -- it's part
>>> of the Developer Tools that pop up if I hit F12 while in IE. It
>>> would be very nice to be able to use this to set breakpoints in
>>> pages displayed in the WebBrowser, but there is no obvious way to
>>> do this, as F12 does nothing here).
> --
> John Brock
> jbrock(a)panix.com
>


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