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Description
Describe the Issue
Hello guys.
I started trying to use razor pages a few days ago and I noticed a problem with .cshtml files:
as you can see in this image, there is some issue with the syntax hightlight, also it affected the formatting functionality.
sometimes it shows an error say things like(probably not exactly liki this): the model can be set only once per page. Even with everything correct, because when I reload the error disappears. Running build command does not solve it.
this project had only webapi, razor pages are being included.
something it also displays toasts like this:
this is some log from razor from vscode output:
2025-05-07 01:28:42.671 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Auth_Login_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.673 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages__ViewImports_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.673 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Shared__ValidationScriptsPartial_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.673 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Auth_AccessDenied_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.674 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages__ViewStart_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.674 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Shared__Layout_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.674 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Marketplaces_MercadoLIbre_Questions_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.674 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Partials__FormFieldPartial_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.677 [error] /Users/wellington/projetos/pessoal/csharp/Integrador-AspNet/src/obj/Debug/net9.0/Microsoft.CodeAnalysis.Razor.Compiler/Microsoft.NET.Sdk.Razor.SourceGenerators.RazorSourceGenerator/Presentation_Pages_Auth_Logout_cshtml.g.cs (line 4): error ENC0021: Adding attribute requires restarting the application.
2025-05-07 01:28:42.678 [info] Code changes could not be applied. Restarting the application is required.
2025-05-07 01:32:12.844 [info] No code changes were found.
sometimes it fixes with I reload the window, and sometimes I need to also restart vscode entirely.
dotnet 9.
vscode with extensions fully updated.
macbook m3 pro with last os version.
ask me whatever you need to help you fix this.
Thank you.