WebAPI Controller is not being reached on DELETE command

Question

I am having difficulty getting the DELETE Method on my Controller to fire when submitting the request over ASP.NET Web API. It returns a 404 but I cannot figure out why. The

Answer 1

Try returning HttpResponseMessage on your Delete method

public HttpResponseMessage Delete( string id )
{
  Customer cust = CustomerDb.Customers.Where(c => c.id == id).SingleOrDefault();
  if (cust == null)
    return new HttpResponseException( HttpStatusCode.NotFound ); // using NotFound rather than bad request

  CustomerDb.Customers.DeleteObject(cust);
  CustomerDb.SaveChanges();
  return new HttpResponseMessage( HttpStatusCode.NoContent );
}

Answer 2

You need to implement Delete method in Controller:

// DELETE /api/values/5
public void Delete(int id) {}

Answer 3

Do you have this defined in your web.config?

   <system.webServer>
          <modules runAllManagedModulesForAllRequests="true">
          </modules>
    </system.webServer>