Changer le StatusCode de la Response après que le traitement de la request

En core 1.0
Dans ton controller :

Code:

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   public class StatusCodeController : Controller
    {
        private readonly ILogger<HomeController> _logger;
 
        public StatusCodeController(ILogger<HomeController> logger)
        {
            _logger = logger;
        }
 
        // GET: /<controller>/
        [HttpGet("/StatusCode/{statusCode}")]
        public IActionResult Index(int statusCode)
        {
            var reExecute = HttpContext.Features.Get<IStatusCodeReExecuteFeature>();
 
            _logger.LogInformation($"Unexpected Status Code: {statusCode}, OriginalPath: {reExecute.OriginalPath}");
 
            return View(statusCode);
 
        }
    }

Et ta vue :

Code:

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@model int
@{
    Layout = "_Layout";
}
@{
 
    var statusCode = Model;
 
    var statusmessage = "";
 
    switch (statusCode)
 
    {
 
        case 400:
 
            statusmessage = "Bad request: The request cannot be fulfilled due to bad syntax";
 
            break;
 
        case 403:
 
            statusmessage = "Interdit";
 
            break;
 
        case 404:
 
            statusmessage = "Page non trouvée";
 
            break;
 
        case 408:
 
            statusmessage = "The server timed out waiting for the request";
 
            break;
 
        case 500:
 
            statusmessage = "Internal Server Error - server was unable to finish processing the request";
 
            break;
 
        default:
 
            statusmessage = "That’s odd... Something we didn't expect happened";
 
            break;
 
    }
 
}
 
<div class="jumbotron">
 
    <h2>Erreur @Model</h2>
 
    <h3>@statusmessage</h3>
 
</div>

Et dans la méthode Configure() du Startup :

app.UseStatusCodePagesWithReExecute("/StatusCode/{0}");