How to add add Microsoft extensions hosting manually in .NET project

Question

1.00/5 (1 vote)

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I am migrating the .Net Project to .Net core 3.1 and there are loads of dependencies in the project so I cannot create a new .Net core application. How can I add Program.Cs file in my existing .Net api project?

I need this code in my existing api project

C#

<pre>public class Program
{
    public static void Main(string[] args)
    {
        CreateHostBuilder(args).Build().Run();
    }

    public static IHostBuilder CreateHostBuilder(string[] args) =>
        Host.CreateDefaultBuilder(args)
            .ConfigureWebHostDefaults(webBuilder =>
            {
                webBuilder.UseStartup<Startup>();
            })
            .UseSerilog((hostingContext, loggerConfiguration) =>
            {
                var connectionString = hostingContext.Configuration.GetSection("Serilog:WriteTo:0:Args:connectionString");
                connectionString.Value = connectionString.Value;
                loggerConfiguration.ReadFrom.Configuration(hostingContext.Configuration);
            });
}

What I have tried:

C#

<pre>public class Program
{
    public static void Main(string[] args)
    {
        CreateHostBuilder(args).Build().Run();
    }

    public static IHostBuilder CreateHostBuilder(string[] args) =>
        Host.CreateDefaultBuilder(args)
            .ConfigureWebHostDefaults(webBuilder =>
            {
                webBuilder.UseStartup<Startup>();
            })
            .UseSerilog((hostingContext, loggerConfiguration) =>
            {
                var connectionString = hostingContext.Configuration.GetSection("Serilog:WriteTo:0:Args:connectionString");
                connectionString.Value = connectionString.Value;
                loggerConfiguration.ReadFrom.Configuration(hostingContext.Configuration);
            });
}

Posted 18-Oct-22 20:23pm

Member 12799321

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Comments

Graeme_Grant 19-Oct-22 4:19am

I'm not understanding your question.

1. What type of app are you porting?
2. Your code dump suggests that you want to use IOC & DI.
3. ConfigureWebHostDefaults suggests that your building a web app. Is that correct?
4. IF you're porting to Dot Net Core, then why 3.1 and not 6.0? 7.0 will be released next month.

Does your app that you are porting ready for this?

ref: One Month to GA: .NET 7 Release Candidate 2 Ships -- Visual Studio Magazine[^]

Richard Deeming 19-Oct-22 7:42am

REPOST
You have already posted this in the ASP.NET forum:
How to Add Add Microsoft Extensions Hosting Manually in .Net Project - ASP.NET Discussion Boards[^]

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