asp.net core 3 routing

Question

In my Asp.net core 3 project I am using some controler to access from js code to do some stuff and also using Razor pages at the same time.

at the configure service section :

    services.AddControllersWithViews();
    services.AddRazorPages();

I added both RazorPages and MVC controller with view.

And at then configure section

        app.UseRouting();
        app.UseEndpoints(endpoints =>
        {              
            endpoints.MapRazorPages();
            endpoints.MapControllerRoute(
                name: "default",
                pattern: "{controller=Home}/{action=Index}/{id?}");

        });

Added above codes. When I try to access to controller I am getting 404. I also tried to add just services.AddControllers();

need help please.

Edit : controller code

public class DashboardsController : BaseController, IDashboardsController
{
    [HttpGet]
     public async Task<JsonResult> GetAssetCategorySummaryAsync(){
        -------
    }
}

What URL are you attempting? What does the controller look like? — Chris Pratt
– Chris Pratt, Commented Sep 24, 2019 at 16:55
GET localhost:9011/Dashboards/GetAssetCategorySummaryAsync 404 (Not Found) it's the URL I am trying. and the controller public class DashboardsController : BaseController, IDashboardsController { [HttpGet] public async Task<JsonResult> GetAssetCategorySummaryAsync(){ ------- } } — S. Aziz Kazdal
– S. Aziz Kazdal, Commented Sep 24, 2019 at 17:49
Update your question with the controller code. Can't read it in a comment. — Chris Pratt
– Chris Pratt, Commented Sep 24, 2019 at 17:54
yes I solved the issue. my problem was related to SuppressAsyncSuffixInActionNames one of breaking changes in net core 3. I am using below routing and it works fine for me app.UseEndpoints(endpoints => { endpoints.MapControllers(); endpoints.MapControllerRoute( name: "default", pattern: "{controller=Home}/{action=Index}/{id?}"); endpoints.MapRazorPages(); }); — S. Aziz Kazdal
– S. Aziz Kazdal, Commented Nov 15, 2019 at 13:14

Rena · Accepted Answer · 2019-09-25 02:42:46Z

1

Your url should be localhost:9011/Dashboards/GetAssetCategorySummary.

You could modify the Startup.cs like below to allow using the whole action name:

public void ConfigureServices(IServiceCollection services)
    {
        services.AddMvc(options =>
        {
            options.SuppressAsyncSuffixInActionNames = false;
        });
        services.AddControllersWithViews();
        services.AddRazorPages();
    }

It is a known issue on github,you could refer to here.

answered Sep 25, 2019 at 2:42

Rena

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2 Comments

S. Aziz Kazdal Over a year ago

thank you. another breaking change in asp.net core 3 github.com/aspnet/Announcements/issues/351

S. Aziz Kazdal Over a year ago

I have already did it. thank you again. Bu I did no change the URL change adden options.SuppressAsyncSuffixInActionNames = false

user8753842 · Accepted Answer · 2019-11-20 17:45:45Z

0

I can recommend my solution.

In Startup

app.UseHttpsRedirection();
app.UseRouting();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
    endpoints.MapControllers();
});

Create your CUSTOM base controller like that.

    [Route("api/[controller]/[action]/{id?}")]
    [ApiController]
    public class CustomBaseController : ControllerBase
    {
    }

And use CustomBaseController

 public class TestController : CustomBaseController
    {
        public IActionResult Test()
        {
            return Ok($"Test {DateTime.UtcNow}");
        }
    }

Rout` api/Test/test

answered Nov 20, 2019 at 17:45

user8753842

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