Not able to build Q#/C# project in Visual Studio Code - c#

I have written Q# code inside a C# project in VS Code. When I would click on Debug -> Start Without Debugging it would give a whole slew of build errors as shown in the images below.
Can someone please help me out with this
To run the vs code I have installed: .NET Core SDK 3.0 or later & VS Code extension
system: Mac osx 10.13.3

The errors in your screenshot are coming from a generated .cs file inside the /obj folder, indicating that duplicate assembly attributes are being found while attempting to build your project. Because the build fails, it cannot proceed to run and debug your program.
First thing to try would be to delete the bin and obj folders and try again. Files in these folders will get regenerated on the next build attempt.
If that doesn't work, can you please share the contents of your Hello_world.csproj file?

Related

how to make a standalone exe file

I started learning c# a couple days ago and want to send my first program to my friend but as a standalone exe file that can be shared through google drive.
I've found several solutions but I coudln't understand any of them. Is there a simple solution to compile an exe file or a standalone app in visual studio 2019 that would just work when you open it
One annoying thing with .NET Core is that when you build it in Visual Studio it makes lots of separate files, which is annoying for portability.
A fix to this is to right-click on your project in Solution Explorer and click Publish. Select Folder Profile, give it a name and save it.
After that, you will need to edit the target runtime option, and set it to win-x86. After that, you should see a dropdown box at the bottom of the dialog, expand it and check 'Produce a single file'.
Then you can hit Publish and it should produce a single file.
NOTE: This does not work in .NET Framework, only .NET Core.
All you gotta do is simply build the project within Visual Studio, once that's done. Go to your projects folder and go into bin/Release (or Debug if you've selected debug build)/myprogram.exe. It should make a standalone .exe file!
Maybe this could also help you.
Official Documentation: Compiling Building in Visual Studio

Visual Studio 2015 builds my project without problems, MSBuild.exe cannot

I am developing simple Asp.net MVC 5 app which is working ok and visual studio 2015 can build it without any issues, but when i use MSBuild.exe command line tool it shows alot of errors which relates to typescript files compilation (primarily from node_modules folder).
I am trying to use Jenkins CI tool to automate my deployment routine, in order to do so i have to build my app using MSBuild.exe.
My project has tsconfing.json file in the root folder which contains following lines to exclude node_modules folder (it is inside #AngularComponents folder):
"exclude": [ "Scripts/**", "WrittenScripts/#AngularComponents/**" ]
But somehow MSBuild.exe command line tool just ignores it during build.
Does anyone have any ideas how to configure it to take into account my tsconfig? or tell MsBuild to not to build my node_modules folder?
Thank you in advance!
I finally figured it out.
First of all i have to use this MsBuild:
1) C:\Program Files (x86)\MSBuild\14.0\Bin\msbuild.exe;
Secondly, for some reason msbuild messed up my tools version 4.0 so I need to pass additional parameter to msbuild:
2) /tv:14.0
Thirdly, my typescript files have some /// references to node_modules\#types folder and for some reason it shows me any errors but not related to the reference one.
3) so i have to run npm install to recover #types packages.
After these steps msBuild builds successfully without any errors.
Thanks for all!

Publishing web application failed

When publishing my web application, I get the following error:
Done executing task "CopyPipelineFiles" -- FAILED.
Done building target "CopyAllFilesToSingleFolderForPackage" in project
"ServiceManagement.csproj" -- FAILED.
Done building project "ServiceManagement.csproj" -- FAILED.
I use Visual Studio 2015. I also tried opening it in administrator mode.
One possible cause is, if you have included some files in the project that are not necessary to compile (like PowerPoint files or word files), & then removed the files from the hard drive, but forgot to delete them in the "Solution Explorer" inside Visual Studio - then "Rebuild Solution" will work b/c those files were not necessary to compile - but "Publish" will fail b/c it cannot find those files when Visual Studio tries to copy files to the publish destination.
I was able to fix it with the following actions:
Remove all unrelated scripts and libraries that you are not using on your project.
Remove all src folders on your scripts.
Since I copied the whole project script files with its corresponding directories, this was I think the main issue that cause the publishing to fail as some filenames are long.
I retain only the one javascript file and one minified file, the same way with CSS files.
If you weren't able to still solve the issue after doing the actions above, try the following (Either of this actions works for us.):
Try to rebuild the project on a different machine.
I am using Visual Studio 2015 Professional Edition so I tried the Visual Studio 2017 to build and publish it.
I kind of had this issue and was because of a corrupted file that couldn't sync in OneDrive. I had a folder that coudn't be opened or deleted with the message "tag present in the reparse point buffer is invalid". By making a "chkdsk /r /f" in a Command Prompt (w/ admin permissions) my build was fixed and I could publish it again in Azure.

Intellisense not automatically working VSCode

I just downloaded Visual Studio Code and my Intellisense is not automatically working.
The two settings that control this seem to be set correctly:
"editor.quickSuggestions": true,
"editor.suggestOnTriggerCharacters": true,
I do get an Intellisense menu when i start typing and press "CTRL + Space", but this gives me a list of everything and not things specifically for my object.
What am i doing wrong?
If you have a workspace and for some reason have multiple folders you may need to 'help' omnisharp a bit. I initially had a big project and added a solution for it further on - ending up with TWO workspace folders (one to a startup project and one to the solution). After composing that setup I experienced only the first project to have intellisense working.
Solution to get intellisense working was to make sure omnisharp worked its way from the solution instead of the project:
Ctrl + Shift + p
Write "OmniSharp: Select Project" and press Enter.
Choose the solution workspace entry.
Inspiration gotten from 'swaner':
https://github.com/OmniSharp/omnisharp-vscode/issues/1889
Visual Studio Code's more advanced editing features (IntelliSense, refactoring tools, etc.) only work in C# files if you have a project.json file or *.sln file that VSCode is aware of. Open the folder (i.e. open the File menu and click Open Folder...) with the *.sln file or project.json and VSCode will attempt to find all project/solution files in the folder. If there are multiple projects, you may need to select one from the projects button on the right side of the status bar (bottom of the window).
From the VSCode website:
Selecting a project.json-file is opening a DNX-project and VSCode will load that project plus the referenced projects
Selecting a *.sln-file is opening a MSBuild-project. It will load the referenced *.csproj-projects and sibling or descendant project.json-files but no other project files that are referenced from the solution file.
Selecting a folder will make VSCode scan for *.sln and project.json files and VSCode will attempt to load them all.
If you are start your project with c#, then some time you haven't download extension.
Process by written
Ctrl + Shift + p.
Write "OmniSharp: Select Project" and press Enter.
Choose the solution workspace entry.
Then enable the c# extension for "OmniSharp : Project".
Process by image
Downgrading to 1.23.9 of the C# VS Code extension fixed the intellisense for me. So if nothing else is working for you, perhaps try installing an older version of the extension (doesn't necessarily have to be that exact one I mentioned). You can do this by selecting this option in VS Code:
As of the 0.5 version I have found that I need to close and re-open my working files to get some new intellisense information to start working for my own files. This usually happens after I have a file open that needs to use type information from another file I just created. Until I close and re-open them (within the editor) the intellisense doesn't always work.
Hopefully this is something that'll get fixed as the app matures.
Inorder to make the intelligence working, the Visual Studio Code extension OmniSharp should be there along with Mono. When you open a project/solution folder, the OmniSharp gets the project dependencies from either project.json or from the dotnet solution file (if the project/solution created with other versions of visual studio).
So, when you look at the omnisharp's output window after immediately opening the project/ solution folder, you may see the following lines
Starting OmniSharp server at 2017-9-18 09:26:44
Target: /Users/{username}/Source/{Your Solution Folder}/{Your Solution
file}.sln
OmniSharp server started wth Mono
Path: /Users/{username}/.vscode/extensions/ms-vscode.csharp-1.12.1/.omnisharp/run
PID: 5808
post that, you may see couple of lines coming up like below,
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
Update project: {Your Project1 Name}
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
Update project: {Your Project2 Name}
....
they mean that your projects are getting recognised by OmniSharp Extension.
If you get any error message informing you about timeout, please get into the settings of the Visual Studio Code, and add a configuration override like the one below:
"omnisharp.projectLoadTimeout": 200
I know it is too long to wait for 200 seconds. But don't worry, this won't stop you anymore working with project files. But, remember that the IntelliSense will be automatically available once all the projects in the folder are successfully loaded.
Feel free to extend the Timeout setting since it will help you getting intellisense even-though you are not getting it immediately.
Here is another link with the same solution: https://github.com/OmniSharp/omnisharp-vscode/issues/1585
Hope my information helps you! Enjoy your VSCode!
This case was for an existing project that was working fine before. Opened via the vs code "recent" history.
For dotnet core. I opened my project's *.csprog file, made no changes, and saved it via the vs code editor.
As soon as I saved, all of the intellisense stuff starting working again in my other files within that project.
Another troubleshooting strategy to try if none of the above works out is uninstalling Mono, which is unnecessary anyways if you're using .NET Core. I also experienced a sudden disappearance of Intellisense after pulling changes to one of our enterprise repos that included an upgrade from ASP.NET Core 2.0 to 2.1. Strangely, at the same time, Intellisense was working fine in another C# project repo running ASP.NET Core 2.2.
For the project in question, I was puzzled to see successful logs for each reboot of the Omnisharp server as well as perfectly clean builds and runs. The puzzlement increased as I compared these Omnisharp logs to those from the 2.2 project and found them effectively identical.
Upon uninstalling Mono, the one detail that changed is how Omnisharp started. Now it boots up from a shell script located at ~/.vscode/extensions/ms-vscode.csharp-1.19.0/.omnisharp/1.32.18/run. Previously, Mono itself was booting the server from the executable at ~/.vscode/extensions/ms-vscode.csharp-1.19.0/.omnisharp/1.32.18/omnisharp/Omnisharp.exe.
Other troubleshooting I attempted in this instance though to no avail:
dotnet clean / Deleting bin and obj directories
Updating launch.json to point at the proper /bin/Debug/netcoreapp2.1 build
directory
Wiping my local nuget cache
Restarting Omnisharp
Uninstalling and reinstalling VS Code, as well as bumping back a version from 1.33.1 as the breakage coincided oddly with the March 2019 update
Uninstalling and reinstalling the C# VS Code extension, as well as bumping back a version from 1.19.0 given other users' reports of said version interfering with Intellisense for certain projects*
Adding a global.json file at project root to override default utilization of latest .NET Core SDK (mine was 2.2.105) and run instead using 2.1.302 in concert with the project's version
Wiping/rebuilding the project .sln file
Specs: VS Code 1.33.1, C# Extension 1.19.0, MacOS High Sierra 10.13.6.
*NB: As it turns out, in another .NET Core 2.1 project with the same issues in VS Code as described above, uninstalling Mono alone did not fix things. I also did wind up needing to bump back the C# extension to v. 1.18.0 to recover Intellisense. Weird.
The issue I had was OmniSharp was an older version. I set the flag to update to latest version in Settings.json file. This ensures the extension is always the latest version.
"omnisharp.path": "latest"
And restarted VS code. That fixed it for me.
Simply reinstall the extension and restart the VSCode/PC.
I use Task Manager and kill the Visual Studio Code process, then restart Visual Studio Code, the intellisense shows and fixed.
I've had some good experiences in C# with this extension so far:
https://marketplace.visualstudio.com/items?itemName=jchannon.csharpextensions
This extension traverses up the folder tree to find the project.json or *.csproj and uses that as the parent folder to determine namespaces.
Try "Install Extension" from command Pallete - probably if C# intellisense is not there:
https://code.visualstudio.com/docs/customization/colorizer
if intellisense in not working for react js or javascript or node js this solution will help for windows
uninistall type script by typing npm uninstall -g typescript
install specific version of type script that is 3.3 by typing npm install -g typescript#3.3
add the typescript location in vscode by navigating to file > Preferences > settings > here search for edit in setting.json then add this path "typescript.tsdk": "/Users/yourusename/AppData/Roaming/npm/node_modules/typescript/lib"
settings.json should look someting like this
{
"editor.suggestSelection": "first",
"vsintellicode.modify.editor.suggestSelection":"automaticallyOverrodeDefaultValue",
"typescript.tsdk": "/Users/yourusername/AppData/Roaming/npm/node_modules/typescript/lib"
}
I was able to fix this by changing the Api Compatibility Level from .Net Standard 2.0 to .NT 4.x. You can find this setting on Project Settings / Player.
After that, intellisense started working again.
This is because of C# extension issue.
Reinstall the extension will work.
https://code.visualstudio.com/docs/editor/intellisense
https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.csharp
I fixed this with a multiple project solution in .net5 / .net core 3.1 by
opening each project (not the sln folder) in VSCODE. This then prompts to add the resources/ .CSX? files to the project; enabling intellisense, per project. Finally close that window and reopen the solution folder and all works as expected.
See image
Add VSCode assets
Downgrading to 1.23.9 of C# for Visual Studio Code (powered by OmniSharp).
https://i.stack.imgur.com/VrdJl.png
After trying several things I looked at the OmniSharp logs only to realize that because I had two different sln files in my workspace. It had picked up the “other” one and thus wasn’t working. I deleted it, reopened vs code, and all is well again.
For me I had been working without internet for a long time. It had previously been working but then stopped. I closed+reopened VSCode with a stable wifi connection and the Output tab in VSCode popped up, displaying the the extensions were re-installing. After that it worked!
in my case , the extension wasn't enabled
I just had this happen (this being no code completion suggestions appearing). What resolved it for me was changing the VSCode Editor package in Unity to a previous version and then back to the current version.
For me, this was going from 1.2.0 to 1.1.3 and then back to 1.2.0. I believe removing and reinstalling 1.2.0 would have accomplished the same.
Window > Package Manager > Visual Studio Code Editor
I know this is probably the most obvious answer. But I had enough dealing with VS Code ridiculous bugs. You should be focusing on code, not the buggy IDE. Their documentation doesn't make it easy either to debug.
Steps for complete uninstallation:
Save your personalization files such as keybindings.json,
Just put it on GitHub or something so whenever you need have trouble with VS Code you simply just need to go to GitHub and copy-paste it.
Uninstall VS Code completely
When you uninstalled VS Code, it doesn't erase your extension files and some old settings. This is the cause of the re-installation ended up the same. Horrible move VS Code. For the list of the files that you must delete, you can check out this answer.
Go to their website and install the new one.
I hope this helps some people who are already had enough with the VS Code ridiculous bug.
In my case, the issue was not with VS Code settings. The error was due to a corrupted TEMP path configured in my PC's registry user profile environment settings.
I got this error from Help --> Toggle Developer Tools --> Console
The error was flagged in the console when I opened a new typescript file.
Unable to write file c:\Users\XXX\AppData\Local\Temp;C:\wamp64\bin\php\php5.6.25;C:\vufind-3.1.2\install.php\09cf49d8-af5b-42e9-8194-43f5b566be0f'
Obviously this path was corrupted. After updating the environment variables in registry settings, the VS code IntelliSense started working. Checking the console is a good start to find the root cause of this issue.
Earlier intellisense was working for Angular in VS-Code but for some reason (which I don't know) intellisense stopped working. I had extensions installed i.e. Angular Essentials and Angular Language Service etc. that were responsible for this intellisense and all that.
What I did?
I disabled the extensions, restarted VS Code and enabled them. It was all working fine as before.
If everything in VSCode is working ( No errors in output console, language server is working etc.) and built-in extensions are enabled. Still, if your IntelliSense is not working for normal .js files make sure variables are defined with a type identifier such as var d = new Date() or let d = new Date(). In my case, IntelliSense was not working for d = new Date() (No autocomplete for Date object 'd' APIs in this way) but started working fine when I specified a type before my variable names.
Download and install "Tool for Visual Studio 2019" as the C# extension under hood use the build tools: https://visualstudio.microsoft.com/downloads/
In my case, I had an extension installed (Explorer Exclude) to help me focus and hide certain files that I don't regularly work with within the Explorer.
I so happened to have disabled viewing *.sln, *.csproj and *.vsconfig files and folders, which apparently prevents VSCode from even knowing the file is there in the first place. Disabling these specific rules solved the problem instantly.
Took me ages to figure out... The more you know.
I solved it by uninstalling all SDK's (not sure if this is needed)
and installed 4.7.1 developer pack
win 10, vscode 1.63.2, unity 2020.3.25f1
I fixed this by installing .NET Framework 4.7.1 Developer Pack:
https://dotnet.microsoft.com/en-us/download/dotnet-framework/net471

External ".xsd" file not included in release folder

I am a WPF newbie. I have my first WPF project which is developed with C# and VS 2013. At the root of the project, there is an external XML schema file with ".xsd" extension that is used in my project codes. Inside VS 2013 environment, I code and run the project without seeing any issue.
Recently, I have built that project for Release. However, the built folder does not include that external ".xsd" file. As a result, on running that project outside VS 2013 environment, I get an exception that tells it could not find out that ".xsd" file. Please tell me how I solve that issue. Thank you in advance.
Make sure the file is set to be copied to output folder on compilation via the property window.

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