Debugging javascript files in modal windows not working when in VS2012 using IE10 in Windows 8 - by Gary Land

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ID 771603 Comments
Status Closed Workarounds
Type Bug Repros 1
Opened 11/19/2012 7:35:06 AM
Access Restriction Public


I have a project which uses a number of modal pages opened using the window.showModalDialog function. If a breakpoint is placed in a javascript file linked to a page opened in a modal window then a No Source Available error is shown.
The breakpoints work fine on javascript files linked to pages in the main IE window, i.e. not popups.
This problem has only started to occur since upgrading to VS 2012 and using Windows 8 and using IE 10. If works fine using VS 2012 on Windows 7 and IE9.

I have attached a sample VS 2012 project showing the problem to this item.
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Posted by Microsoft on 1/28/2013 at 12:35 PM
Thank you for reporting this issue. Barring something unexpected, we will ship a fix for this with Visual Studio 2012 Update 2. You can subscribe to the Visual Studio Blog ( for information about when this update will become available.

Gregg Miskelly
Visual Studio Debugger
Posted by Microsoft on 1/8/2013 at 12:59 PM
Thanks for reporting the issue. We have identified the cause and we are deciding when we can safely ship a fix to address the issue.

Gregg Miskelly
Visual Studio Debugger Dev
Posted by Microsoft on 11/19/2012 at 10:35 PM
Thanks for your feedback.

We are rerouting this issue to the appropriate group within the Visual Studio Product Team for triage and resolution. These specialized experts will follow-up with your issue.
Posted by Microsoft on 11/19/2012 at 10:51 AM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(