【C#】Access to XMLHttpRequest at ‘http://localhost:xxxx/api/Test’ from origin ‘http://localhost:yyyy’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. エラーが出てきたときの対処
【C#】Access to XMLHttpRequest has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. エラーが出てきたときの対処