I have a console application that doesn't depend on the other project in the solution. The other project build is failing (compile issue), and I don't want to fix it just yet.
How can I get the console application to run? I have already set the console project as the 'startup project'
If there's no dependencies you can go to the Build menu at the top, and select "Configuration Manager". Find the project you do not want to build and make sure the checkbox in the "Build" column is not checked.
Alternatively you could right click the console app and choose "Debug -> Start New Instance".
This assumes that there are no dependencies between projects.
You can unload other projects, and then start your debug process in visual studio.
Example:
Regards,
If you only have one other project in the solution, an easy fix would be to right click on that other project and simply "Unload Project".
right click on the project itself -> debug -> start new instance
Related
I've started to learn c# recently and I really like the Jetbrains IDEs, so I decided to pick up Rider in it's early developement phase. Since it's a brand new environment I could barely find any information about it at all.
My problem is I simply cannot run my project, I have Mono installed and I gave it's path to the IDE but it still sais "no projects to run".
Do I need something aside Mono? Or what would you recommend me to check?
Screenshot
I had the exact same problem and I think I figured it out (without having to recreate a project from scratch).
The list in front of "Project:" is empty when there is no runnable project.
A "Class library" for instance is not runnable.
Just pick up one of your solution's projects (in your case there is only one), right click, then "Properties", and in front of "Output type:" (where you should see "Class library"), simply select "Console application".
Now you should see it in the window appearing when you click on "Edit configurations".
Create a new project:
Write your code:
Press Ctrl + F5 and you should see this window:
Now simply click on Run. The next time you need to build it, you won't see the configuration settings, but it will still run the project. :)
It's solved in the comments, create Console App instead of empty solution, or if the problem already happened you should go to project properties and choose your language.
This happened to me just now, coming from a dotnet new angular generated project.
What I did to solve it was to right-click solution and then add existing project.
When I press F5 in Visual Studio 2010, my code does not compile anymore. Instead, it running the most recent compiled code. To compile the code, I have to right click on the program and choose Build and then run
How do I get my program to compile on each run?
It is a setting in Visual Studio. Opening the settings dialog, there should be a category "Projects and Solutions" (sorry, I use the German version - not quite sure what the English labels are). In there's another section "Build and Run". The second combo box from the top allows you to adjust what happens when running projects that have been modified.
Another option is the solution properties. There are settings in there where you can configure which project within the solution should be compiled. To get there, right-click the solution, select "Properties", there select "configuration" (?). There's a check box for each project in a list that you need to check to have the project built.
Use F6 to build the whole solution, and Shift-F6 to build your current project
Tools -> Options -> Projects & Solutions -> Build and Run
"On Run, when projects are out of date:"
Select "Always Build"
That's it, had it myself, extremely annoying.
VS2010 c#, winforms project.
It does not build automatically when I click on debug or press f5. If I manually build the project before I debug, it compiles and changes are picked up.
My other projects all work as expected. Why doesn't it build automatically?
Right-click the Solution (not project) in the Solution Explorer and select Configuration Manager. Check if Build is turn off for the current configuration.
Check your settings in Tools->Options.
Go to the projects and Solutions area, Build and Run page.
There is a setting "On Run, when projects are out of date:" Make sure this is set to 'Always build.'
I ran into this same issue and I did the following:
Run Build Clean
Close the solution
Delete any .suo and .user settings files
Delete any .ncb files
Open the solution again
Unload the project
Reload the project
Make sure the project is set as startup again
Debug away!
You may be able to only do steps 6-9 but I don't know how to get back in that state.
Because my project was independend from other projects by using prism I had to uncheck 'Only build startup projects and dependencies on Run' in Tools->Options->Projects and Solutions->Build and Run.
When you work on a dependency
In my case, I am working on a library used by an executable.
It was necessary to say to the solution to include the dependency of the library in the executable project solution to build the executable code and the library code before launching the debugging:
Tools Menu, click on Options. Go to "Projects and Solutions/Build and Run", "On Run, when projects are out of date" needs to be on "Always build".
Right-click the Solution (not project) in the Solution Explorer and select "Project Dependencies". Check the boxes of dependencies "Lib1" and "Lib2".
Just in case someone else runs into the same problem as I did: for me it turned out to be a setting in my web.config as follows:
<httpRuntime fcnMode="Disabled" targetFramework="4.5" maxRequestLength="40960" executionTimeout="1200" requestValidationMode="2.0" />
What this guy does is he disables File Change Notification, which is used to restart the application domain when a change is detected in critical files e.g. anything in the bin or .config files. Without fcn, I would make code changes, press F5 and still see the old code, and all breakpoints would be whited out because the source was different to what IISExpress was serving up.
I had a similar situation with multiple projects in a solution in Visual Studio 2013. One of the projects that the Startup project uses was not building when I clicked the Run button. I had to right-click on the Startup project and select "Build Dependencies" and check the project that wasn't building in there.
Was scratching my head on this for a while, turns out our office's Folder Redirection configuration (e.g. My Documents to point to a Network location) did not integrate well with VS.
I've just started using VS2010. I've got a largish solution that migrated successfully from VS2008. I've added a console application project called "Test" to the solution. Selecting build->build solution does not compile the new project. Selecting build->build Test does build the project. In the failure case, no error is given.
Similarly, setting this project as the startup project and pressing F5 to start debugging also fails to compile.
I'm upset by this. Can anyone calm me down by telling me what I'm doing wrong?
EDIT
I don't know if this is relevant or not, but today I installed AnhkSVN 2.1.8420 (latest version).
Make sure the solution configuration is set to build your new project.
Go to Build | Configuration Manager and see if the build checkbox is set for your project
For me it was incorrect build order. Right click on the solution and click on Project Build Order.... If anything is built in the wrong order switch to tab Dependencies and set correct values. After this everything worked for me.
I downloaded a C# project and I wish to debug the project to see how an algorithm implementation works.
The project has come in a Folder, inside this folder there are -
.sln file and
a folder which has source files and a .csproj file.
I installed Visual Studio and opened the .sln file present in the main folder. I built the project successfully, but when I try to debug the project I get this message:
A project with an Output type of Class Library cannot be started directly In order to debug this project, add an executable project to this solution which references the library project. Set the executable project as the startup project.
The strange part is that I don't see a main function anywhere.
What should I do to get round this hiccup?
The project you have downloaded compiles into a dll assembly and provide a set of classes with implemented functionality.
You should add to your solution a new project with Output Type of either Console Application or Windows Application (VS Add Project wizard will offer you different templates of Projects).
In the newly added project, you can implement logic to test your Class Library.
Output type of the project you can find and change by the following steps:
Right click on project in Solution Explorer -> Properties.
In opened tab with properties select Application and there will be ComboBox marked with Output Type label.
Just right click on the Project Solution
A window pops up.
Expand the common Properties.
Select Start Up Project
In there on right hand side Select radio button with Single Startup Project
Select your Project in there and apply.
That's it. Now save and build your project. Run the project to see the output.
This was the solution that worked for me since I couldn't find 'Common Properties' option.
Select your topmost level project in Solution Explorer.
Go to Project, and in contextual menu Set as StartUp Project.
See also: A project with an Output type of Class Library cannot be started directly
Just needs to go:
Solution Explorer-->Go to Properties --->change(Single Startup project) from.dll to .web
Then try to debug it.
Surely your problem will be solved.
The strange part is that I don't see a main function anywhere.
That is exactly your problem. The project merely creates a DLL. It has no executable to run.
You will need to add a second project, which is an executable which references the other project, and calls something in it.
1) Right Click on **Solution Explorer**
2) Go to the **Properties**
3) Expand **Common Properties**
4) Select **Start Up Project**
5) click the radio button (**Single Start_up Project**)
6) select your Project name
7) Then Debug Your project
Right Click on "Solution Explorer" -> "Properties"
Expand "Common Properties"
Select "Start Up Project"
click the radio button "Single Start_up Project"
select your Project name from the drop down list.
If still not working after the above steps, then try this.
Expand solutions explorer.
Right click on project name -> "Properties"
Go to "Application" tab
Select "Output type"
From the drop down list select the appropriate type according to your application.
"Windows application" or
"Console application"
Then save (ctrl + S)
Try debugging (F5)
You'll need some kind of app (Console Apps are my favorite for debugging, but a WinForm will do) which uses your Class Library. Just add a new project (in the same solution) of a Console Application or Windows Forms Application, and add a reference to your current project. Once you've done that, make any calls you need, set your break points, and go to town.
I had a similar issue when trying to use the Experimental Instance of Visual Studio 2013. This was for a vsix project (Creating Snippets).
Solution was:
Right Click Project in Solution Explorer > Properties > Debug
Setting the Start Action to "Start external program" and using the following path:
C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\devenv.exe
This option was set to "Start project" which won't work for the application output type Class Library, which caused that same error.
Note: Yours may differ depending on how you installed VS.
Error solutions is that you have already open your project but by mistake you have selected another class library .. that's reason this error is showing ... so what u need to do you u just select u r project then right click on u r project
after right click u can see the list box and select the "Set as start up project " option .
Accepted answer works if your solution has a project that compiles to an exe. If your solution does not have any projects that compile to an exe, then you have to use 'Start external program'.
VS2019 instructions:
right click -> properties on the main solution
debug, start external program, and add command line arguments
VS2022 instructions:
right click -> properties on the main solution
scroll down to Debug
Debug > General > Open debug launch profiles UI
left click the 'new' icon in the top left, select 'executable'
fill it out as per VS2019 (pick the exe and add command line arguments)
when clicking the start button, first select the profile you made
Suppose you have multiple project in the solution. Select the project that you want to view in browser and select 'Set as StartUp Project'. In your multiple project soln which was the main, the visual studio was unable to identify. this was the main problem.
You can right click the Class Library project and from the drop-down choose Initialize Interactive C# which will load your project context and you can work it in the interactive session.
In my case, the cause was that one of my projects in the solution wasn't loaded. The reason it couldn't load properly was that the file path length of one of the files was too long. Upon deleting this long file, I could reload the project, and build the solution.
If the question involves an Azure project, make sure you have the "Azure development" tool set installed, or when you go to run a solution you may get this same error.
Tools > Get Tools and Features... > Tick the box next to Azure development > Click install
None of the answers provided above helped me resolve this error, this is what resolved the issue for me.
Right click on the solution and select "Properties", which is in my case "Sintctech.Data".
Select the section called "Application".
Check what you have selected as your output type. If it is "Windows Application", change it to "Console Appication".
Rebuild and the problem should be fixed.