Inn the way the web.config file can be accessed through using System.Configuration.ConfigurationManager in asp.net, is there a way to access values in the appsettings.json file like so, without the need to use to inject any services ? I realize that the web.config file is no longer in use as much in .net core, I just wanted to know whether there was a similar method that could be used to access values from appsettings.json
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1 Answer
Yes, you can also use the configuration directly, appsettings are injected so you can get to them with DI.
Option 1
You can try below code in the Program.cs(asp.net core 6+) to access values from appsettings.json:
var builder = WebApplication.CreateBuilder(args);
var vv = builder.Configuration.GetValue<string>("value");
...
In appsettings.json:
{"Value":"aaa"}
result:
Option 2
In your controller:
public class OPController : Controller
{
private readonly IConfiguration _configuration;
public OPController(IConfiguration configuration)
{
_configuration = configuration;
}
public IActionResult Index()
{
var vv = _configuration.GetSection("value").Get<string>();
return View();
}
}
result:
You can read Configuration in ASP.NET Core to know more.