Why doesn't F5 rebuild project before execution in Visual Studio? - visual-studio

If I press F5, my project runs but it doesn't "see" any of the changes that I made. I need to manually (re)build before pressing F5 for it to work.
It worked well previously. Any idea what I need to change?

Also :
Right Click on the solution in the solution explorer.
Click on "Properties".
Navigate to configuration Properties -> Configuration on the left side of the window.
Make sur the "Build" checkbox is checked on the line of your project.

Is it possible that you've reconfigured your "Build and Run" settings to "Never build"?
To check, follow these steps:
From the Visual Studio IDE, open the "Tools" menu, and click "Options".
Expand the "Projects and Solutions" header on the left.
Click the "Build and Run" item.
In the combo box labeled "On Run, when projects are out of date", ensure that you have the "Always build" option selected.

Another reason (which I had) could be dependencies.
In Solution Explorer, right click the Startup Project - Build Dependencies - Project Dependencies.
If the project you are working on is not set as a dependency of the Startup project then it won't get Built when you F5 / run.

Ok, for some reason all of the above solutions do not work for me, so I made a Pre-Build event (Right click project -> Properties -> Build Events) where I delete the bin and obj folder before building.

I am new to C# and Visual Studio but i found that going to Build -> Clean Project also worked for me, if you have already tried to select "Always build" option and it didn't work.

Related

I get "the application has not been built" from Visual Studio 2019 on Mac for Xamarin.IOS app project. Target is iphone, not sim

Project was copied over from a VS on Windows, on which it builds and runs okay through same Mac, onto an iPhone.
I just installed VS on the Mac.
Anything special on it I need to do?
Check for the default project selected to build & deploy.
Often when switching projects from Windows to Mac the default deploy project is selected as Droid. The same is for vice versa when switching projects from Mac to Windows the default deploy project is selected as iPhone.
If the problem still persists try to -
Try deleting the packages folder containing nuggets.
Restore nugget packages.
Clean & Rebuild Solution.
Try the following:
Delete the Bin and Obj folder.
Clean the solution
Rebuild the solution
In the top left hand corner choose Ad-Hoc|iPhone if you have this option
If not select debug | iPhone
In the "Solution" pane, check if any of your projects have a blue info icon next to them that, when hovered over, display "Project not built in active configuration". If so, you might have to try the following to add them to the build:
In the Solution pane, Control+Click on the root project > Options.
In the Solution Options popup, expand "Build" on the left (if needed) and select "Configurations" below it.
On the right, switch to the "Configuration Mappings" tab.
Add a check to the box in the "Build" column for any Solution Item that needs to be part of your build. Set the drop down in the "Configuration" column to the appropriate value (guessing "Debug|iPhone" since it sounds like you were trying to test on an actual iPhone, not the simulator).
Click "OK" to close the Solution Options popup.
Build menu > Clean All. Build menu > Rebuild All.
Try running the project again, either with the "Play" arrow in the header or the Run menu > Start debugging.
The steps above were generated using Visual Studio for Mac Professional, v8.10.6 (build 10).
I had this same error, but it was a clean/new project.
In project's Options, under Build/Mac Signing, I checked 'Sign the application bundle; and selected the 'Mac Developer (Automatic)' identity.

How to select which solution to "run" in multi-solution project

I am an electronic engineer with limited experience in Visual Studio. I have created a project with 2 solutions. The idea is that the 2nd project will allow to me do some tests more easily.
Now when I click on "build" or "start debuging" or "start without debugging", how do I choose which project should be is targetted by the tool?
Right click the project in the Solution Explorer pane, and select Set as Startup Project.

Visual Studio 2015 TFS New build definition button not showing up?

I am using VS2015 and am connected to my TFS. However when i click Team Explorer/Builds, the "New Build Definition" button does not show up. The strange thing is this all works in VS2013. Is there a toolkit i am possibly missing or is the button hidden? Not sure what i could be overlooking for the button to not show up in one version and show up in the other...
Open page Team Foundation Server in browser. And open your project. And find tab Build.
You need to update the application VS2015.
Or open in VS TeamExplorer then Builds and:
Build Definitions -> Actions -> Security...
and configure security access control.
Make sure you have expanded the Build Definitions by clicking the triangle:

Does a keyboard short cut exist in Visual Studio 2010 to debug the current project?

I have a solution with 36 projects.
When I'm working on one of the projects I'd like to be able to debug it without having to right click the project then select 'debug' then select 'start new instance'.
Thank you.
You could add in the Options dialog under Environment->Keyboard "ClassViewContextMenus.ClassViewProject.Debug.Startnewinstance" as a shortcut.
This starts debugging on the current project.
(maybe this changed a bit for 2010)
source: http://www.sharpdevel.com/2009/09/visual-studio-debug-start-new-instance.html
One thing that you could do is to right click your Solution, go to Properties. Select 'Startup Project' and choose 'Current selection'. After this, the project that you click will be set as startup project. You can debug the project that you want by clicking it and pressing F5 (or whatever key you have for start debugging).
Steps to add keyboard shortcut to debug the present project instead of the solution:
Open VisualStudio2010 > Tools>Options>Environment>Keyboard
Show commands containing "StartNewInstance"
and you will see: "ClassViewContextMenus.ClassViewProject.Debug.StartNewInstance"
Enter your choice into "Press shortcut keys" (for example Alt-F5)
Click the Assign button
OK
Away you go.
In Visual Studio 2017, the keyboard shortcut to start debugging is:
F5

How do I set Visual Studio to always build and debug when F5 is pressed? [duplicate]

This question already has answers here:
Visual Studio 2010 isn't building before a run when there are code changes
(10 answers)
Closed 9 years ago.
It used to do this, but now if I don't build the solution first before pressing F5, it uses the last built program.
I must have messed up a setting somewhere I think.
Open the "Tools" menu, and click "Options".
Expand "Projects and Solutions".
Click on "Build and Run" tab.
In the "On Run, when projects are out of date" dropdown, select "Always build".
You are probably working on a multi-project solution:
Get properties of your solution (right click → Properties)
Click on "Configuration Properties".
Tick the "Build" check box for the project that is not compiled properly.
Go menu Tools → Options. Under Projects and Solutions → Build and Run.
For "On Run, when projects are out of date:", choose "Always build". Now it should automatically build, and then run (unless there are errors; then the behavior here is dictated by the other setting right underneath it).

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