HTTPステータスコードの定数は標準で用意されており、
System.Net.HttpStatusCodeに定義されています。
HTTPステータスコードの定数一覧
| コード | 定数 |
|---|---|
| 100 | Continue |
| 101 | SwitchingProtocols |
| 102 | Processing |
| 103 | EarlyHints |
| 200 | OK |
| 201 | Created |
| 202 | Accepted |
| 203 | NonAuthoritativeInformation |
| 204 | NoContent |
| 205 | ResetContent |
| 206 | PartialContent |
| 207 | MultiStatus |
| 208 | AlreadyReported |
| 226 | IMUsed |
| 300 | Ambiguous |
| 300 | MultipleChoices |
| 301 | Moved |
| 301 | MovedPermanently |
| 302 | Found |
| 302 | Redirect |
| 303 | RedirectMethod |
| 303 | SeeOther |
| 304 | NotModified |
| 305 | UseProxy |
| 306 | Unused |
| 307 | RedirectKeepVerb |
| 307 | TemporaryRedirect |
| 308 | PermanentRedirect |
| 400 | BadRequest |
| 401 | Unauthorized |
| 402 | PaymentRequired |
| 403 | Forbidden |
| 404 | NotFound |
| 405 | MethodNotAllowed |
| 406 | NotAcceptable |
| 407 | ProxyAuthenticationRequired |
| 408 | RequestTimeout |
| 409 | Conflict |
| 410 | Gone |
| 411 | LengthRequired |
| 412 | PreconditionFailed |
| 413 | RequestEntityTooLarge |
| 414 | RequestUriTooLong |
| 415 | UnsupportedMediaType |
| 416 | RequestedRangeNotSatisfiable |
| 417 | ExpectationFailed |
| 421 | MisdirectedRequest |
| 422 | UnprocessableEntity |
| 423 | Locked |
| 424 | FailedDependency |
| 426 | UpgradeRequired |
| 428 | PreconditionRequired |
| 429 | TooManyRequests |
| 431 | RequestHeaderFieldsTooLarge |
| 451 | UnavailableForLegalReasons |
| 500 | InternalServerError |
| 501 | NotImplemented |
| 502 | BadGateway |
| 503 | ServiceUnavailable |
| 504 | GatewayTimeout |
| 505 | HttpVersionNotSupported |
| 506 | VariantAlsoNegotiates |
| 507 | InsufficientStorage |
| 508 | LoopDetected |
| 510 | NotExtended |
| 511 | NetworkAuthenticationRequired |
サンプル
例）HTTPステータスコードの定数を使用したサンプル
using System.Net;
if (response.StatusCode == HttpStatusCode.OK)
{
//処理
}備考
- 詳細は、Microsoft公式サイトをご覧ください。
→ HttpStatusCode 列挙型（Microsoft公式サイト）