Good Morning.
I have been having some success in using VB Express developing a website, and am generally pleased with its functionality. However, each time I made a minor modification to a page, I would receive the following error:
Warning 1 c:\Users\Owner\documents\visual studio 2012\WebSites\WebSite10\Default.aspx: ASP.NET runtime error: Invalid class string (Exception from HRESULT: 0x800401F3 (CO_E_CLASSSTRING)) c:\Users\Owner\documents\visual studio 2012\WebSites\WebSite10\Default.aspx 1 1 WebSite10
The work around was to close the IDE, re-open it and then it would compile successfully, until I made any changes to any of the pages. Same workaround worked fine for around a day (I spent 3 hours developing a website using said work around).
To my dismay - the work around stopped working and it point blank refuses to compile despite restarting the IDE.
These are the Microsoft components I currently have installed, are there any known conflicts with the following products which mat stop VB Express 2012 for web from compiling? I went so far as to install the recent update for Visual Studio 2012 (Version 3)
to no avail.
Microsoft Visual Studio Express 2012 for Web
Version 11.0.60610.01 Update 3
Microsoft .NET Framework
Version 4.5.50709
Installed Version: WD Express
Team Explorer for Visual Studio 2012 04935-004-0025007-02551
Microsoft Team Explorer for Visual Studio 2012
Visual Basic 2012 04935-004-0025007-02551
Microsoft Visual Basic 2012
Visual C# 2012 04935-004-0025007-02551
Microsoft Visual C# 2012
NuGet Package Manager 2.2.40116.9051
NuGet Package Manager in Visual Studio. For more information about NuGet, visit http://docs.nuget.org/.
SQL Server Data Tools 11.1.20627.00
Microsoft SQL Server Data Tools
Web Developer Tools 1.2.40308.0
Microsoft Web Developer Tools contains the following components:
Page Inspector: Tool that offers an efficient way to decompose Web Applications and diagnose front-end issues.
Web Publishing: Extensions required for Web Publishing for both hosted servers as well as on premises.
Web Form Templates: Includes the default templates for Web Form Applications.
Editor Extensions: Includes HTML, CSS, and JS editor extensions that greatly enhance the development experience.
Windows Azure Tools June 2012 SP1
Windows Azure Tools for Microsoft Visual Studio 2012 - June 2012 SP1 v1.7.50716.1601
Thanks for any clarification.