Cannot call DELETE webapi method due to 405 Http status code

Question

I have written API with .NET Core 3.0 Preview, and using Angular 8 for frontend. I have one method on User controller called DeleteUser. This is the method:

//DELETE users/d18da620-6e4d-4b1c-a1ec-36d89145f4ca
[HttpDelete("{id}")]
public async Task<IActionResult> DeleteUser(Guid id) {
    ...
}

So, when request is performed with Angular like this:

this.usersApiService.deleteUser(userId).subscribe((data) => {
    ...
}

After this call is performed, I get following output in Visual Studio:

Microsoft.AspNetCore.Cors.Infrastructure.CorsService:Information: CORS policy execution successful.
Microsoft.AspNetCore.Routing.EndpointMiddleware:Information: Executing endpoint '405 HTTP Method Not Supported'

However, I've set custom CORS policy. In ConfigureServices I have this:

services.AddCors(options => {
    options.AddPolicy("CorsPolicy",
        builder => builder
            .AllowAnyMethod()
            .AllowCredentials()
            .SetIsOriginAllowed((host) => true)
            .AllowAnyHeader());
});

and in Configure method, I use this policy:

app.UseCors("CorsPolicy");

So my question is, how to successfuly call this delete method? What am I missing?

Edit: This is my deleteUser method that calls api

public deleteUser(userId) {
    const httpOptions = {
      headers: new HttpHeaders({
        'Content-Type' : 'application/json'
      }),
      body: {
        id: userId
      }
    };
    return this.httpClient.delete(this.USERSENDPOINT, httpOptions);
}

@Nikita, oh yeah, I pasted wrong code there :) Thank you. Will add it to my question — golobitch
– golobitch, Commented Aug 24, 2019 at 9:14
By spec, you can't have a body in a DELETE call. The URL has to define the resource to delete. — juunas
– juunas, Commented Aug 24, 2019 at 17:31

Ehsan K. harchegani · Accepted Answer · 2019-08-24 09:42:13Z

1

Update: Try to call your method in angular like this:

this.httpClient.delete(this.USERSENDPOINT+"/"+userId);

hope it helps

edited Aug 24, 2019 at 9:42

answered Aug 24, 2019 at 8:57

Ehsan K. harchegani

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7 Comments

golobitch Over a year ago

With this configuration, I get following error:

HTTP Error 500.19 - Internal Server Error The configuration section 'httpProtocol' cannot be read because it is missing a section declaration

golobitch Over a year ago

Nah, It wasnt inside system.webServer element. However, with this added to web.config, now I can't event perform basic Get on whole collection (example: GET /users

golobitch Over a year ago

There is a error in JS console saying that CORS header Access-Control-Allow-Origin does not match localhost:4200

Ehsan K. harchegani Over a year ago

Where is the body in your delete request?

golobitch Over a year ago

I believe that problem is in Angular not in .NET ... just occurred to me this now.

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