I'm trying to publish changes to a .NET Core 3.1 web app from Visual Studio 2019 using FTP, however the process doesn't update my .cshtml views.
The app works properly on my local machine, I deleted the contents of the 'bin' directory before publishing, and my publish settings delete all of the existing files on the server before copying new ones over, so this process appears to be somehow copying over views which are no longer available anywhere?! I've not changed any of the 'build action' properties and most of the configuration in Startup is the default MVC template.
Microsoft docs reference a NuGet package (Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation) and using AddRazorRuntimeCompilation() in Startup, but this didn't seem to have any effect.
I find it incredibly bizarre that views aren't updated during a publish by default. I also find it bizarre that in this day and age SFTP appears to be unsupported (wth). Hopefully I'm just doing something wrong rather than this process being silly. Any ideas?
Restarting the Kestrel service used by my server seems to have resolved it...there has to be a more obvious solution though as this method requires shell access.
So I recently updated Visual Studio 2012 to Update 2. Lo and behold, the next time I go to publish my application (via File Publish in this case) I notice that there are three new options:
Delete all existing files prior to publish
Precompile during publishing (with a link to Configure)
Exclude files from the App_Data folder
The first and third options are pretty self-explanatory, but I can't find any documentation on the second option as it applies to MVC. When I check it, there doesn't seem to be any change in the files produced on the site and I don't see any real change in performance.
Using the ASP.NET precompiler can have the following impact on your MVC app:
If you have anything in App_Code, it will be precompiled into a DLL before deployment. Without precompiling, this would happen on the fly by the ASP.NET runtime.
If you choose the option to not make your pages updateable (i.e. uncheck the first checkbox in the advanced settings dialog), it will also precompile your views (ASPX and Razor) instead of compiling those dynamically at runtime as well. The default (checked) setting of "Allow precompiled site to be updateable" allows you to update your view content without needing to rebuild the entire project.
If you don't have any files in App_Code and you want your site to remain updateable, it doesn't seem to do much.
It is an old question, but I just encounter similar issue and feel something worth sharing.
My error message is same in this post. My project is MVC5, build with Visual Studio 2013 professional.
Compilation Error: The type 'ASP.global_asax' exists in both DLLs
In my case, with precompile option, there is a file, App_global.asax.dll, in bin folder, and cause above error message.
First, I remove App_global.asax.dll on server, restart application pool, issue is gone.
Then I tried another approach, uncheck precompile and republish, redeploy to server, issue is gone.
I've created my first Office Add-in using Visual Studio. It targets the 4.0 .Net framework and was created using the new VS 2012. I need to distribute/install this project on various 32-bit XP and 64-bit Windows 7 computers around the office. So I configured the project to be installed on XP (which was my first speed bump because I didn't realize VS 2012 needed an update in order to make a solution that was XP compatible). Now that I have a valid win32 application, I am getting another error:
The following error occurred attempting to install 'C:\filepath...\Import Contacts.vsto':
"No application is associated with the specified file for this operation."
After doing some digging, I think I need to install the Microsoft Visual Studio Tools for Office Runtime on the client computer. To do this, I would like to use the prerequisites properties for the project. So I read up on creating custom prerequisites using some noteworthy sites (e.g, Creating Bootstrapper Packages, Application Deployment Prerequisites, Adding Custom Prerequisites, and Creating a Bootstrapper package for Office 2013 in Visual Studio 2012). I created the files according to that last URL (even though I'm not sure it pertains to the package I need just yet), but it is not appearing in the dialog box under Project > Properties > Publish > Prerequisites
If you read the article, it says the VS prerequisites dialog box should automatically update once I restart VS 2012, which I did but to no avail. I know I'll need to use this feature again in the future, so I would really like to know what I'm doing wrong and fix this. Please help! And I promise to quickly give the ACCEPT to whoever helps me fix this problem! Thank you in advance.
I didn't have any problems following the directions given in the web page and got the bootstrapper added to the Prerequisites dialog. However, there are plenty of possible ways to get it wrong. Some possibilities:
Triple-check the folder you added these files to. Be sure that you picked Program Files (x86) on a 64-bit version of Windows and not Program Files. And be sure that you now see the added VSTOR40 folder along with the other existing bootstrapper folders, like ReportViewer and VBPowerPacks.
You do not have write permission to this folder, UAC prevents copying files there. Be sure that you managed to copy them from, say, an elevated command prompt. Right-click the Command Prompt shortcut and click "Run as Administrator".
If you created the .xml files with Notepad then make sure you didn't accidentally saved them with the .txt extension. If necessary, put Explorer in "programmer mode" so you can see the filename extensions. Control Panel + Folder Options, View tab, untick the "Hide extensions for known file types" checkbox. If you now see product.xml.txt then rename the file to product.xml, same for package.xml.txt
If you created the .xml files with Notepad then be sure to save the file in UTF-8 encoding. File + Save As, Encoding combobox.
For all those who still may face similar issue I think that I found the cause of this issue. It seems that copying folder with custom bootstrapper package (and all necessary files in it) does not "refreshes" the list of available packages. Only when i went through this walkthrough and manually created folder in %Programfiles%\Microsoft SDKs\Windows\v7.0A\Bootstrapper\Packages\ for sample package from this walkthrough my package has shown
I need to copy HTML files to a local network server whenever they are checked in to TFS. I have been searching the net for the past 7 hours, and have been pulling my hair out attempting to create MSBuild scripts without success.
I need a set of simple steps which cause files to be copied with no build needed (I don't have a project file, and don't actually need to compile anything.)
The location of the server is on the network, and is accessible via Windows Explorer.
I have a seemingly random problem where my project will run using an old version of a DLL file that no longer exists. Sometimes the real version of the DLL file will be used, other times an ancient version of the DLL file will be used. Who knows where Visual Studio is getting this DLL file from - it's months out of date!
I know that it is using the old DLL file, because when the application runs I start getting weird 'TypeLoadExceptions', complaining that methods don't exist or don't have implementations.
The following actions will sometimes help, sometimes not:
Restarting Visual Studio
Restarting the computer
Cleaning and rebuilding the solution
Deleting everything in \WINDOWS\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files
Searching for and deleting instances of the DLL file in \Documents and Settings\username\Local Settings\Temp
Sometimes I perform all of the above steps, and it still uses an old copy of the DLL file. Where is it hiding it?!
The same issue exists on our TeamCity server which is using MSBuild. When TeamCity tries to run unit tests it uses an old DLL file.
Now, I know that I can use assembly redirection in the web.config file, but the version number of the DLL file hasn't changed (I don't bother to update it, so it just stays at version 1). I don't want to have to start versioning the DLL files just to solve this problem. I would just like to know which particular caches I need to clear so that I can get on with developing.
It hides it in the GAC. There it may reside indefinitely. Using a more recent version may indeed solve the problem, but there is an outstanding bug in Visual Studio that has to do with choosing the correct version of DLL files. (If DLL Hell wasn't bad enough, the Visual Studio team is making it worse!)
Finding it in the GAC is tricky, and I cannot advise you on how to do that, but once the old version is deleted from there, it will not be found again. Sometimes, even though you are pointing the compiler at a newer version (by date), it will use the older version, because it has the same version level (by version). That is its bug.
Who knows where Visual Studio is getting this dll from - it's months
out of date!
The Modules Window is your friend...
It'll tell you exactly where that file is coming from. You can even use it with arbitrary processes if you attach the debugger.
I too would guess that they're hiding in the GAC.
You can look in 'C:\Windows\assembly' to see all the dlls and unregister yours from there.
The problem may exists with the build order or your projects.
If your Test project is built before the application project, this cause the behaviour you describe. To fix this: right click on your main project in VS and select the Project Dependencies... option and check the build order. Changes to the build subsequence can be made here by correctly setting these dependencies.
I had a similiar problem (but without Visual Studio). I am loading a .NET dll using UnsafeLoadFrom.
On one computer (a terminal server) the old file still remains being used, regardless of updated version numbers, etc.
The reason is simple: As long as a program instance is running, which has already loaded the old dll, the new dll will never be used. All further UnsafeLoadFrom will become the old dll although the old version doesn't exist on the harddisk anymore, because it has already loaded some time ago.
The solution is to shut down all running instances of the application or even restart the computer. Then all new instances will get the updated dll.
In my case, this was caused switching to Release mode, which had a different configuration (that used different location of the DLL).
In my case, I use Visual Studio to Publish Website, and though I check the reference of the dll file has changed, but the published dll still is old. Finally I new a Publish Web Profile and choose the right configuration (such as Debug - x86 / Release - Any CPU), publish again then the dll is corrected.
While this question is old, maybe someone will stumble upon it again in his/her quest for finding a solution.
In my case i got a CS0433 error for an ASP.Net page. After deleting the content in the obj\ and bin\ folders of the project, it worked again. Probably has to be done with a closed Visual Studio. Maybe also clean out those folders in referenced projects in the same solution (if used in the project and not pulled via Nuget).
In my case, the old DLL was in
C:\Windows\Microsoft.NET\assembly\GAC_MSIL\MyDLL\MyDLL.dll
It DID NOT show up in c:\Windows\assembly.
I did a search of my drive for MyDLL, and it showed up as indicated above. I was debugging my test app at the time, and tried to delete the offending folder...no go...it was locked by Visual Studio. I had to stop debugging my app, close Visual Studio, and then delete the folder. Problem solved!! I don't know how my DLL got there, but it hasn't showed up there since I deleted it.
It's possible that the DLL is being referenced from another folder. It could even be on a network drive if you have one in your PATH environment variable. Here's how Windows searches for DLLs:
http://msdn.microsoft.com/en-us/library/7d83bc18%28v=vs.80%29.aspx
In My Visual Studio 2015, I ensured that the offending Visual Studio project's Reference Path Listing is empty:
If you find such problem ,delete your Reference dll and pdb extensionfile add new references and rebuild your project .This often happens due to no rebuild of project,commit and updates.
The fix for me was making sure that the virtual directory in IIS was pointing to the correct directory. I have two projects on my system, a v4 and a v5. The virtual directory on my dev system was pointing to the v4 bin directory instead of my v5 bin directory - oops!
The file that was being cached in the dll, I couldn't trace the file, so I ended up renaming the file. This might not resolve the problem mentioned here but this was the fix that worked for me related to this question.
I tried a ton of things including re-installing VS 2107.
You can see where the DLL files are being loaded from in your Output window. After going through all mine looking for project DLL, I found it.
Clearing this worked for me.
C:\Users\YourUser\AppData\Local\assembly\dl3\222Q4G1T.8AT\JBEAR7PB.E3J\8bfcf9ab\6e61cbd5_30acd401\YourDLL.dll'
I actually deleted all the files in:
C:\Users\YourUser\AppData\Local\assembly\
Holy Crow! I had an old, old suite of applications including 2 web services and a bunch of class libraries and a click once application. Well, click once stopped publishing for VS 2005 with a bunch of 'not found' errors. So, rather than hack away at my registry as suggested on this site, I figured it was time to upgrade the projects to 2017. Well, when I did this, the projects references in my web service projects got lost. Then, rather than helpfully just telling me that with errors, VS 2017 must have went to some cached file in C:\Users\XXX\AppData\Local\Temp\WebSitePublish or C:\Users\XXX\AppData\Local\Microsoft\VisualStudio\8.0\ProjectAssemblies or C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root and 'helpfully' just used those files instead! I had to do a hardcore search with a custom program to find all the files on my C:\ drive and delete them before I finally got the errors!