I've downloaded Umbraco, connected to a database and installed a sample site but when I try to run in Visual Studio, I get this error:
Could not load type 'Umbraco.Web.UmbracoApplication'.
Any ideas?
I usually follow this guide to get Umbraco up and running with Visual Studio: Setting up Umbraco 7 in Visual Studio 2013 for MVC 4 development
You are possibly missing a reference. Also - I found this happens in my version 7.2.4 too.
Check that the install completes - especially if you installed with NuGet. Sometimes powershell doesn't work and the installation is not completed. Look for yellow text during installation. If this fails, try an older version.
Related
I'm attempting to install DotVVM in Visual Studio 2019. Right now I can find it when I 'manage extensions' and it downloads and installs without error. However when I restart Visual Studio post installation I get an error stating 'The DotVVM package did not load correctly' and points me to an xml output file. The contents of said file shows:
SetSite failed for package [DotvvmPackage]
Source: System.ComponentModel.Composition
Description: The composition produced multiple composition errors, with 3 root causes. The root causes are provided below. Review the CompositionException.Errors property for more detailed information
No exports were found that match the constraint: ContractName DotVVM.Integration.VisualStudio.Dialogs.DialogFactory RequiredTypeIdentity DotVVM.Integration.VisualStudio.Dialogs.DialogFactory Resulting in: Cannot set import DotVVM.Integration.VisualStudio.VsPackages.DotvvmPackageDependencies.DialogFactory (ContractName='DotVVM.Integration.VisualStudio.DialogFactory') on part DotVVM.Integration.VisualStudio.VsPackages.DotvvmPackageDependencies.Element: DotVVM.Integration.VisualStudio.VsPackages.DotvvmDependencies.DialogFactory (ContractName='DotVVM.Integration.VisualStudio.Dialogs.DialogFactory') DotVVM.Integration.VisualStudio.VsPackages.DotvvmPackageDependencies
No exports were found that match the constraint:
Pretty much the same error except it's talking about 'DotVVM.Integration.VisualStudio.Common.Licensing.ILoginProvider'
No exports were found that match the constraint:*
Same error except it's talking about 'DotVVM.Integration.VisualStudio.Services.CommandService'
Now I have been trying to find other topics and came across many that said to delete (or rename) the '%appData%'/Local/Microsoft/VisualStudio/16.0/ComponentModelCache' folder which I've tried with no luck. Removed it out of every VisualStudio version folders as well. Restarted Visual Studio of course after. That folder did rebuild itself but I got the same error again.
I've also tried uninstalling and reinstalling it as well. Tired with running Visual Studio as an admin for kicks. Even downloaded the DotVVM.Integration.VisualStudio.2019.RTM.vsix file directly (both 4.0.534 and 4.0.539) and installing it that way with no luck.
I also tried fully uninstalling and reinstalling Visual Studio 2019 all together with no luck. I made sure the entire VisualStudio/16.0 folder was also gone between installs.
I have been able to install other extensions alright just to see.
It seems like I'm missing something or some files when it's trying to install, but I can't figure out what. Any ideas?
Turns out my version of Visual Studio was the issue. My cooperate environment locks me to 16.10.2 which is not the latest version. Visual Studio updates claims I'm up to date but I am not.
The version of DotVVM (4.0.539) doesn't support version 16.10.2 of visual studio, hence the error. I did find an older version of DotVVM (2.5.254) that does support that version of visual studio and that worked fine.
When i try create new blank application in nanoframework, i get package installation error.
error message
It seems some problem in nanoframework visual studio extension, my version is NET nanoFramework VS2019 Extension v2019.5.0.8.vsix, but i also tried another versions with same problem.
I have visual studio 2019 community edition and i have installed almost all components.
When i press ok, project is loaded, but is not possible compile it, because there are missing all assemblies. When i try add assembly, theres nothing to add and add nuget packages from nanoframework store leads to error.
when i try this:
pm> Install-Package nanoFramework.CoreLibrary.NoReflection -Version
1.10.1-preview.9
I get this error:
NU1202: Package nanoFramework.CoreLibrary.NoReflection
1.10.1-preview.9 is not compatible with netnanoframework10 (.NETna noFramework,Version=v1.0). Package
nanoFramework.CoreLibrary.NoReflection 1.10.1-preview.9 supports: net
(.NETFramework,Version=v0.0)
similiar when i try another package versions.
So the extensions is installed incorectly, but i cant find why. i tried it more times. uninstall and install again. from extenstion store, and from disc. nothing successfull.
The webserver NuGet released today fixes the issues with the version mismatches.
The issue with VS2019 16.9 remains. Reported to VS Developer Community here. Please up vote to help increase priority.
What is the Community version you're using?
After a little test, there seems to be an issue with the latest release of VS2019. A work around would be to:
Use V16.8.X
or
use an already created solution that you can edit.
or
add the required nuget to the project once it has been loaded (after the error):
Update: now fixed! it was due to a change to fix nuget, but caused an unintended consequence with nanoFramework.
When i try to run the ASP NET 5 solution, i get below error.
Microsoft Visual Studio Error
The following error occurred attempting to run the DNX design time process (dnx-clr-win-x86.1.0.0-beta8).
The system cannot find the file specified.
The DNX design time process provides intellisense, build, and reference information to Visual Studio and without it your experience will be very limited. Please try closing and reopening Visual Studio to see if that corrects the problem. Alternatively, check that the DNX version is properly installed or try changing to a different installed DNX version using the project property pages.
The project is not finding DNX SDK (if you look at the project properties you may see an empty drop-list next to 'Solution DNX SDK version').
If you are on windows 7, I suspect you may have an old version of powershell installed. You need at least version 3.0.
See this answer on a similar issue:
https://stackoverflow.com/a/31549273/299529
I am getting an error when trying to open a MVC project in Visual Studio 2012. My team is running on 2013 that have been working on it, and I am waiting to be upgraded to 2013, but am trying to get some work done until then. When I open the project, it says it is missing some required Web components needed to run in Visual Studio. "ASP.NET Web pages with Razor 3.0.0.0". So I tried to do a NuGet install for AspNetMVC and did not work. I can open the project and what not, but the features such as adding a new View or Controller are not there. Do I have to wait until I am upgraded to 2013, or am I missing something? Thanks in advance.
Had to re-install WebPages package with NuGet manager. I have no idea why it was jacked, but it was and fixed the problem. Thanks #levelnis.
I had the same issue and had to update my NuGet package manager to the newest version in order to download the missing / corrupted package.
I've just downloaded the ASP.MVC MSI package, but the installation fails with the "There is a problem with this Windows Installer Package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor." message.
I see that other people too have the same problem (http://forums.asp.net/p/1336453/2699267.aspx). Anybody else?
I'm running VS 2008 Professional edition with SP1 on Vista.
Some additional info: entries like Error in Template (C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE\ProjectTemplates\VisualBasic\Workflow\1033\StateMachineWorkflowLibrary.zip), file (StateMachineWorkflowLibrary.vstemplate). Unregistered ProjectType (VisualBasic). This can be caused by an incorrect ProjectType or because the project type package is not installed. appear in the event log.
BTW I don't have VisualBasic installed. I'm thinking about reinstalling VisualStudio ... :|
I removed all the bad templates and this didn't resolve the issue for me. I found that removing other Add-Ins I had installed let me install Beta 1. In my case the bad add-in preventing the install was Clone Detective.
I had this exact error message from a completely different MSI package - the DevExpress toolkit - turned out to be caused by one of the "defensive" packages installed on my machine.
Check your anti-virus, anti-spyware, anti-intrusion, firewall, anti-xxx etc etc packages to see if any of them might be stopping scripts from running properly.
Hope this helps.
The installer is trying to add templates to the VB package without checking to see if it exists first (ScottGuuuuuuu!).
If the rest of MVC is installed and working, forget about it. If not, you don't have to reinstall VS. A quick fix is to simply install Visual Basic (e.g, modify your installation rather than reinstall it).
Okey, like Simon said, Clone Detective addin was the troublemaker which prevented the installation of ASP MVC. I deinstalled Clone Detective and now MVC has installed without problems. Thanks guys!