Enable Cross-origin Resource Sharing (CORS) in ASP.NET Core

services.AddMvc();
services.AddCors(
    options => options.AddPolicy("AllowCors",
    builder =>
    {
      builder
      .AllowAnyOrigin() //AllowAllOrigins;
      .AllowAnyMethod() //AllowAllMethods;
      .AllowAnyHeader(); //AllowAllHeaders;
    })
);

      //Enable CORS policy "AllowCors"
      app.UseCors("AllowCors");
      app.UseMvc();

    [EnableCors("AllowCors")]
    [Route("api/Songs")]
    public class SongsController : Controller