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VS2012 error creating control. error hresult e_fail has been returned from a call to a com component by KCSmith

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Type: Bug
ID: 775782
Opened: 1/4/2013 4:18:36 AM
Access Restriction: Public
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User(s) can reproduce this bug
I have an ASP.NET web application, all fine in VS2010, but in design mode in VS2012 shows "error creating control. error hresult e_fail has been returned from a call to a com component" for all ASP controls and custom usercontrols. Projects appear to build and run properly. WHAT SETTING OR UPDATE IS MISSING PLEASE?
Details (expand)

Visual Studio/Team Foundation Server/.NET Framework Tooling Version

Visual Studio 2012

What category (if any) best represents this feedback?

 

Steps to reproduce

Open a VS2010 web application in VS2012

Product Language

English

Operating System

Windows 7

Operating System Language

English

Actual results

controls not rendered

Expected results

want controls to render

Locale

 
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Posted by KCSmith on 1/14/2013 at 11:54 AM
I saw alot of these posts around, one of which suggested putting various assembly tags to system assemblies in web.config which I did, and upon restarting VS it seemed to work. I have not yet tried removing them and retrying. On a separate note, I had to do a VS2012 update to allow backward project compatibility with 2010. Maybe this had an effect also.
Posted by Microsoft on 1/13/2013 at 11:57 PM
Hi, given that we have not heard back from you in these days. We will go ahead and close this Connect Issue. If you get a chance to review and provide the information requested earlier, you can go ahead and reactivate this issue.
Posted by Microsoft on 1/9/2013 at 12:58 AM
I am currently standing by for an update from you and would like to know how things are going on your end. If you could get back to me at your earliest convenience with information I request, we will be able to make headway towards a resolution. I look forward to hearing from you.
Posted by Microsoft on 1/6/2013 at 6:37 PM
Thank you for submitting feedback on Visual Studio and .NET Framework. In order to efficiently investigate and reproduce this issue, we are requesting additional information outlined below.

Could you please give us a demo project to demonstrate this issue so that we can conduct further research?

We look forward to hearing from you with this information.

Microsoft Visual Studio Connect Support Team
Posted by Microsoft on 1/4/2013 at 4:50 AM
Thank you for your feedback, we are currently reviewing the issue you have submitted. If this issue is urgent, please contact support directly(http://support.microsoft.com)
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