Visual studio 2003 solutions to Visual Studio 2013 solutions - visual-studio

My question is about the different versions of Visual Studio and an effective way to update the web applications or websites that were created in visual studio 2003 to visual studio 2010 all to visual studio 2013. Most of the solution files on the web server for the various applications or websites have not been updated since 204. But some of the .aspx.vb files have been updated in 2012. Not sure if there is a missing .sln file or that the files were all updated manually using notepad or something? I need to update the content of several of these projects and not sure where to begin. Looking for the most effective way to update these files. Anyone with experience transitioning from different versions of Visual Studio working with visual basic may have these same questions. Some of these include crystal reports from visual studio 2005.

Have you opened the .sln file in VS2013? I know when I was transitioning projects from VS2008 to VS2013 it prompted me to convert them when I tried to open it in VS2013. When and if there were any issues it showed you what didn't match up and what might be obsolete. Might be a good starting point if you haven't already tired.

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How To Convert Visual Studio 2010 project to Visual Studio 2015

I have a project from VS Studio 2010 that I want to work with in VS 2015. When I start this Project with VS 2015 I receive an error saying something like "compatibility-Error (Version)".
How can I successfully convert a Visual Studio 2010 project to use with Visual Studio 2015?
Without you going into any more detail about the actual error. (error numbers / screenshot) it will be very hard for any of us to give a real answer. Therefore I am going to suggest you take a look at Troubleshooting Unsuccessful Project Upgrades.
Something else to check out might be the Porting, Migrating, and Upgrading Visual Studio Projects guide
One of the key things mentioned in the 2nd link I provided is:
The following list describes support in Visual Studio 2015 and Visual Studio 2013 for projects that were created in Visual Studio 2012 or Visual Studio 2010 SP
Therefore I'd recommend upgrading the 2010 version to SP1 first. (if this is still installed that is)
One further thing to note is that if you keep the old version of Visual studio installed you can import a project which is made with an older version and skip the update. Visual studio 2015 will then use parts of the older version itself to open the project.
For details you can read How to: Upgrade Visual C++ Projects to Visual Studio 2015 page and the equally useful Installing Visual Studio Versions Side-by-Side page.
It appears that there are issues when moving from VS 2010.Net to VS 2015.Net and may require that you build the project from scratch and copy the code over. VS 2015 requires a Namespace. There are a number of designer issues on control that require the style page be used since various attributes have been removed. Something still, however, do work but you need to review the HTML, specifically things like Font and alignment. While it's a pain it isn't a big deal since it requires mostly cut and paste.
If you are having issues converting web projects the projects may have originally been created as a "web site" rather than a "web Project" . Try opening the application as a web site and see what happens. At least that may help get you to the point you can actually get to the code to convert it in VS 2015. Hope this helps.
Try to Right-click the solution, then select "Re-target solution".

Visual Studio - Using different versions for the same project

I recently started a new job, and got a machine with Visual Studio 2013 Proffesional installed. This would be great, except the colleague that I'm working with is using Visual Studio 2010. As far as I know, there is no way to work on the same project (or solution), without having quite a lot of issues, is this correct?
And if so, is it still possible to download Visual Studio 2010 (from a reliable source)? I cannot seem to find it anywhere in my MSDN subscriber downloads. All I can find is a stuff like service packs, tools, etc. Did they terminate the support of it?
You work on visual studio 2013 but there are option to select which version of visual studio you want select 2010 and run your project.
You should be able to open Visual Studio 2013 solutions in 2010, if you install Visual Studio 2010 SP1. There is a possibility that some project types won't be supported, but the solution should open.

Migrating older Visual Studio solutions to 2013

I'm working on an application that contains nearly 300 solutions from Visual Studio 2005 to 2012. Now I've to migrate all these solutions to Visual Studio 2013. Is there any tool available that scans all the older solutions in the application folder recursively and migrate the potential ones to 2013? If not then I'm ready to write a small utility but I'm not sure where to start. Could someone provide some guidance to achieve that?

VS 2013 Express for Desktop wont open vcxproj project files

I am trying to open the Direct3D Tutorial Win32 Samples with VS 2013 Express for Windows Desktop. To my surprise it claims that the individuals projects in the solution each cannot be opened because their project types (.vcxproj) are not supported by this version of the application.
Does anyone know why the vcxproj files cannot be opened, or how I could diagnose and repair the root cause of the problem?
Edit: I can also not open the vcxproj files in Mike Farnsworth's Rayito project.
It means that the projects were created in another version of Visual Studio.
Try to upgrade the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting Upgrade Solution.
Alternatively you could use Visual Studio 2012 Express Edition to see if that resolves the problem.
Windows Dev Center indicates that Visual Studio 2012 is required.
Hope this helps
Neither of the other answers seemed to help.
I uninstalled visual studio. I uninstalled SQL server. I reinstalled visual studio. Now it loads C++ projects correctly.
I understand a previous install of visual studio can cause the problem I was having. Apparently so can installing SQL server Express prior to installing Visual Studio 2013 Express.

Convert solution to the latest version

I am practicing Microsoft net framework training kit. The problem is that the solution/projects were made by Visual Studio 2008. I use Visual Studio 2012.
The projects are unavailable.
I want to modify the solution file and project files. Just worry about messing up them.
Another snapshot:
How to modify them by editor then I can load them with visual studio 2012?
Visual Studio should do update the projects and solutions for you. In my experience, it only shows unavailable when the project is located in a different location than where the solution file is looking for it. Perhaps you recently changed the name or copied only some of the files?
At the very least you should be able to remove the unavailable projects and re-add the original projects. They'll be converted as they're added.
Convert it to 2010 first, then convert it to 2012. It is the particular case. It could be the project was written in 2008 but faied in 2012.

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