是否可以使用.NET Core更改.cshtml视图并立即查看更改? [英] Is it possible to change .cshtml View and see the changes instantly using .NET Core?

问题描述

上下文

在我的.NET Framework 4.x ASP.NET MVC项目中，使用Visual Studio IDE时，可以编辑.cshtml视图，保存，然后按 ctrl + F5 并立即查看更改.

In my .NET Framework 4.x ASP.NET MVC projects, when using the Visual Studio IDE, it was possible to edit a .cshtml view, save, then press ctrl+F5 in the browser and see the change immediately.

在ASP.NET Core应用程序(使用Visual Studio 2019和.NET Core 3 Preview 5)中，这似乎不再起作用.

This seems to be no longer work in ASP.NET Core applications (using Visual Studio 2019 and .NET Core 3 Preview 5).

问题

ASP.NET Core中缺少此功能吗?这是预览问题吗?还是我错过了什么?

Is this feature missing in ASP.NET Core? Is this a preview issue? Or am I missing something?

推荐答案

从ASP.NET Core 3开始，默认情况下 不再启用该功能，但可以将其重新启用在此处:

This is something that is no longer enabled by default as of ASP.NET Core 3, but it can be re-enabled as documented here:

使用Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation包启用运行时编译.要启用运行时编译，应用程序必须:

Runtime compilation is enabled using the Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation package. To enable runtime compilation, apps must:

• 安装 Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation NuGet程序包.

• 更新项目的Startup.ConfigureServices方法以包括对AddRazorRuntimeCompilation的调用:

• Install the Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation NuGet package.

• Update the project's Startup.ConfigureServices method to include a call to AddRazorRuntimeCompilation:

services
      .AddControllersWithViews()
      .AddRazorRuntimeCompilation();

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