Razor Runtine Compilation

Startup.cs

#By default in asp.net core 3.0 razor views runtime compilation is disabled . See why and how we need to enable this razor runtime compilation

#After we enable the runtime compilation we need not to recompile the program again. By saving and refreshing the browser we can easily see the new changes.

#How to overcome from this problem.

#Solution - You need to install the nuget package i.e

Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation



#1. For all environment.

#Go to startup file -
using Microsoft.AspNetCore.Mvc.Razor.Runtime;
# ConfigureServices method

#add the below code


services.AddMVC().AddRazorRuntimeCompilation();
#Or
services.AddRazorPages().AddRazorRuntimeCompilation();

#2. Conditionally Enable for Debug environment

#Edit the .csproj file add the following code

<PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="3.1.0" Condition="'$(Configuration)' == 'Debug'" />

#if you want to condionally defined then the below line of code in configureservices method of startup

public IWebHostEnvironment Env { get; set; }

public void ConfigureServices(IServiceCollection services)
{
IMvcBuilder builder = services.AddRazorPages();

#if DEBUG
if (Env.IsDevelopment())
{
builder.AddRazorRuntimeCompilation();
}
#endif
}

#Happy Learning

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